It takes many registers to keep one line moving quickly, and some stores can't afford the space or manpower.
要保持一条队伍的快速运转,需要很多的收银机,而且有些商店负担不起空间和人力。
You know it's really hard to keep one of these complex worlds going.
你知道,要保证这种复杂的世界不断运行下去确实是一件困难的事情。
"I'll try to keep one pace ahead of all my critics," he quips confidently.
“我要努力做到让那些批评我的人没话可说。”他满怀信心又打趣地说到。
He wanted to keep one thousand cats there to produce black cat fur.
VOA: special.2009.10.06
So let's take our one model that we keep going back to Equation of state, and just see how it works.
我们回到经常使用的理想气体模型,或者说状态方程。
And so if one is looking to keep protein at a certain level, then these sort of foods would get favored.
但还不是全部 而如果要使体内蛋白维持在某种水平上,那这些食物会比较受青睐
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