If you are to have an important exam, you'd better prepare one more pen in reserve.
如果你将要参加一场重要的考试的话，你最好准备多一支备用的笔。
Every time any official in Beijing deliberates publicly about seeking an alternative to the U.S. dollar for the $2.1 trillion China holds in reserve, currency traders have a heart attack.
每当北京的任何官员公开商议，为中国持有的2.1万亿美元外汇储备寻找替代美元的货币时，外汇交易员就会心脏病发作。
200 police officers were held in reserve.
200名警察随时待命。
The money was being kept in reserve for their retirement.
他们把钱存着以备退休后使用。
These front-line defences are backed up by armoured units in reserve.
前线防御有后备装甲部队的支援。
He poked around the top of his cabinet for the bottle of whisky that he kept in reserve.
他在壁橱的上面翻找他留的那瓶威士忌。
He thought he would hold the tooth in reserve for the present, and seek further.
他想暂时把这颗牙留着，再去找别的东西。
Future superstars don't get there by keeping part of their heart in reserve.
未来超级巨星不会把他们心的一部分保留下来。
That’s why I say use what you already have in reserve so that you know you can do better.
这就是我为什么说用那些你留着备用的东西，这样你会做得更好。
That's why I say use what you already have in reserve so that you know you can do better.
这就是我为什么说用那些你留着备用的东西，这样你会做得更好。
The basic ratios of around 30 per cent to 40 per cent gold in reserve are, generally, fixed by law.
一般而言，保持30%至40%黄金储备的基本比例属于法律规定。
Harvest will be in November. So he has plenty to last his family until then and even some in reserve.
现在是五月，十一月是丰收季，所以他有足够的存量支撑全家生活到那个时候，甚至还有可能余下一些。
G-20 officials say the deal will require Banks to hold more cash in reserve (in case their investments go bad).
20国集团峰会的官员说，这个协议将要求银行拥有更多的现金储备，也将要求银行高官的工资与银行盈利业绩挂钩。
But the first new carrier will only deploy helicopters and will be held in reserve when the second arrives in 2020.
但是第一艘航母将只配备直升飞机并且将被作为储备直到第二艘2020年到任。
And bad accounting means it doesn't matter how much capital is said to be in reserve, because those Numbers may be phony.
不良的会计行为意味着要求多少储备金都于事无补，因为这些数字可以造假。
They are then either distributed to theatre, used for training or domestic purposes in the UK or held in reserve capability.
之后，它们将被分配到各战区，或者用来训练，在本土使用，要不就是作为后备力量。
Stay in open spaces; when back at home, fill up your bath and your rice cooker, so that there is plenty of food and water in reserve.
停留在露天场所;回到家中将浴缸注满水，将生米煮成熟饭，以便储备好充足的食物和水。
Likewise, the site may want to keep components in reserve for failover or peak events when the site might need additional capacity.
同样这些站点需要为故障或峰值事件预留一些备用组件，在站点需要附加容量时使用。
But in rare circumstances, a big firm with cash in reserve may cut prices below costs in order to starve smaller rivals of revenue.
但极少数情况下，现金储备充裕的大公司可能会把售价降到成本之下，以达到断绝小公司资金收入的目的。
The survey found that, on average, administrators allocate 70% of a server's RAM to virtual machines (VMs), leaving 30% in reserve.
调查发现，平均而言，管理员分配70%的服务器的内存给虚拟机(VMs)，保留30%作为备用。
But scientists decided to let it carry out additional exploratory tasks as the orbiter is still in good condition and has fuel in reserve.
但是，由于这个人造卫星工作状况良好，还有储备燃料，科学家决定让它进行额外的探索任务。
Part of the problem is a law requiring oil companies to keep 70 days' worth of fuel in reserve. It took ten days to relax this to 45 days.
由于日本的法律规定，石油公司必须留有70天的备用储备，要想修改这一规定，将储备量修改为45天，还得等上十天才行。
Some power stations in southern China were operating with only a few days' supplies of fuel in reserve, according to government officials.
据官方消息，一些华南地区的发电厂仅剩下维持少数几天运转的燃料储备。
Banks are parking more of their deposits in reserve after the third increase this year to the reserve requirement ratio went into effect this week.
央行今年第三次增加存款准备金率本周生效。
At least Capello was brave enough to leave Green on, though at the rate his players were dropping out he probably wished to keep a substitute in reserve.
卡佩罗总算没有撤下格林，不过看在球员接二连三下场的速度上，他还是留一个替补名额为上策。
United still have Federico Macheda in reserve, and this could be a make or break season for the Italian, though ultimately everything comes down to Rooney.
当然，曼联还有他们的秘密武器马切达，这个赛季很可能是他全面爆发的一个赛季，但成败终将属于鲁尼一个人。
When other countries must acquire your currency to trade, and must keep your money in reserve to protect the value of their own, your securities sell at a premium.
当其它国家必须用你的货币进行交易，必须储备你的货币以保护其本币价值时，你的证券就可以溢价销售。
When other countries must acquire your currency to trade, and must keep your money in reserve to protect the value of their own, your securities sell at a premium.
当其它国家必须用你的货币进行交易，必须储备你的货币以保护其本币价值时，你的证券就可以溢价销售。
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