As global stock markets went wild last week, financial commentators resurrected an old metaphor about infectious diseases of the upper respiratory system.
上周，全球股市变得让人疯狂，金融评论员们用一个古老的隐喻把它比作上呼吸道系统的传染病。
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To control the flow in the high density area in the upper part of the tank the TES is used to spread the stock evenly on the top surface and to create a uniform down flow.
为了控制罐上部区域中浓浆料的流向，TES用来在顶部表面均匀扩散原料，同时形成一致的向下流动。
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Of course, if you take stock of your upper body mid-run and you find your arms aimlessly dangling, you might be running too relaxed.