估计任务所需要的时间是有用的，因为它会给你一个标竿，以衡量你的工人的技能。
Noting how long the task takes to do is useful because it will give you a bench mark against which to measure your worker's skill.
智利的建筑质量不错，为了防御可能的地震，使用的建筑材料要更好，建筑工人的技能也更为熟练。
Chile's buildings are better built, constructed with better materials, higher-skilled laborers, and an eye toward earthquake resistance.
对高技能工人的建议经常伴随着这样的口号：“将绿卡钉在文凭上。”
A frequent proposal for highly skilled workers comes with the slogan, "Staple a green card to the diploma."
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