Betty was offended because she felt that her friends had ignored her purposefully（deliberately） at the party.
There has been enough playing around, so let’s get down to business.
How is it possible for our human body to convert（turn） yesterday’s lunch into today’s muscle?
It is difficult to comprehend, but everything you have ever seen, smelt, heard or felt is merely your brain’s
interpretation （explanation）of incoming stimuli.
Most people would agree that, although our age far surpasses all previous ages in knowledge, there has been no correlative increase in wisdom.
Many students today display a disturbing （troublesome）willingness to choose institutions and careers on the basis of earning
potential.
许多学生表现出一种令人不安的意愿，愿意根据收入潜力来选择院校和职业。
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