By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.
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21. 暖和的天气使大地提早解冻。
The warm weather unfroze the ground early.
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22. 我总是提早走——真的，不骗你！
I always go early, I do, truly!
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23. 提示：提早问难以回答的问题。
Tip: Ask the hard questions early.
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24. 提早15到30分钟开始你的一天。
Start your day 15 to 30 minutes earlier.
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25. 信守承诺，当不能守诺时提早告知。
Follow Through on Commitments or Give Early Notice When You Can't.
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26. 有些人还可以领到我们的提早退休金。
Some people can take advantage of our early retirement package.
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27. 为提早付款的客户提供折扣。
Offering customers a discount for paying their invoices early.
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28. 提早退休似乎比大范围的失业更加仁慈。
Early retirement also seemed kinder than mass lay-offs.
