对虾中某种效力大的化学成分会导致难产。
Certain potent chemicals in prawn precipitate difficulties during delivery.
酒精浓度增长2%听起来差别不大，但是，它对葡萄酒品质和效力的影响相当大。
A 2 percent increase in alcohol may sound like a tiny difference, but the effect on a wine's character and potency is considerable.
然而，姚明并没有跟世界说再见，他将继续为他之前效力、现在拥有的CBA球队，上海大鲨鱼队而努力。
Yao however, is not saying goodbye to the world and will continue to work with his former CBA team, the Shanghai Sharks which he now owns.
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