Use the “one in, two out” rule. The rule: whenever you bring in an item, you have to throw away two other items.
使用”一进两出“原则 ：拿入一件物品的同时，扔掉另外两件。
Rule number two: When the customer is wrong, refer to rule number one.
第二条：如果顾客错了，请参照第一条。
Two of the earlier approaches used an Apache ProxyPass rule to handle this problem, while one approach used a special-purpose server-side script to get the data from the NWS server.
此前有两种方法使用ApacheProxyPass规则来解决这个问题，还有一种使用专用的服务器端脚本从NWS 服务器上获取数据。
While there's no official list of phrases - you could even make them up as you go along - the general rule is to replace one word with a two-worded phrase that rhymes with it.
并没有哪个官方名单列举这些表达——你甚至都可以自己创造一些谚语——大体规则就是用一个押韵的双单词词组来替代单个单词。
The % of times it appears has started to have less an impact, but the general rule is your keywords should make up around 5% of your copy - or ideally once every one to two paragraphs.
大致上的规则就是：关键字在你所有页面复本中出现的几率应至少大于5%——最理想状态是：每一篇到两篇文章中就能出现一次关键字。
A good rule of thumb is to order at least one more dish than the number of people at the table. Two or three is even better - so you get to try more things.
给你一个好的建议，点菜的数目最好比用餐的人数多两个或三个，这样你能尝试更多的东西。
But there was one exception to this rule. Every ten years, the monks were permitted to speak just two words.
但这条戒规也有一个例外，每隔十年，许可僧侣们说两个字。
But there was one exception to this rule. Every ten years, the monks were permitted to speak just two words.
但这条戒规也有一个例外，每隔十年，许可僧侣们说两个字。
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