这就是做生意每天都面临的矛盾，各家公司往往会找到一个使它们中的大多数都能维持经营的合适价位。
Such is the everyday tension of business, and companies tend to find a suitable level for prices where most of them can make a living.
跟维生素有关的新研究和声明每天都公布出来，而且很多都自相矛盾。
New studies and claims about vitamins are published daily, and many seem to contradict each other.
跟维生素有关的新研究和声明每天都公布出来，而且很多都自相矛盾。一般人真正要维生素的什么呢？
New studies and claims about vitamins are published daily, and many seem to contradict each other. What does an average consumer really need to know about vitamins?
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