Hotels do not ask business travellers whether they would like to have their own rooms or Shared ones, because they know the answer.

酒店不会询问商旅人士是想单独住、还是想与他人合住，因为它们知道答案。

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Many of you know people in our business who are just getting started. They are the ones who need our help the most. They need our encouragement.

你们之中，大都认识一些新进者，他们是最需要帮助的一群，并且需要鼓励。

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Pharmaceutical companies, for instance, are in the business of searching for new pills, but never know which ones will work.

ECONOMIST: Economics focus