1.upbeat 乐观的
The Defense Secretary gave an upbeat assessment of the war so far.
国防部长对迄今为止的战事进行了乐观的评价。
2.come into effect 开始生效/实施
The new law will come into effect at the start of September.
该新的法令将在九月初开始生效。
3.phase out 逐步淘汰
They said the present system of military conscription should be phased out.
他们说现行的征兵体系应该逐步淘汰。
4.free ride 顺风车；坐享其成
They also learn that life is not a free ride.
他们也能认识到生活不是免费午餐。
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