要是去年五月份有人告诉我说我会做代课老师，我会一笑代之。
If someone had told me last May that I would be substituting this year, I would have laughed.
确实也有很多转移到了海外，但代之而起的是服务业的就业机会。
Many did move offshore but were replaced by jobs in service industries.
在pH平均值为7.8时，钙化生物体开始消失，代之而来的是非钙化生物体。
At a mean pH level of 7.8, calcified organisms begin to disappear, and non calcifying ones take over.
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