同时，很少有人愿意并且有能力胜任石油工程专业的工作，所以这些人的价值非常高。
Meanwhile, there are few who're willing and able to perform jobs requiring a petroleum engineering major, so the value of one more of those people is very high.
除非我们有才华横溢，并且愿意努力工作，否则我们肯定会在这些工作中失败。
Unless we have great talent and are willing to work very hard, we are certain to fail in these occupations.
很少有人愿意并且有能力胜任石油工程专业的工作，所以每增加一个这样的人才都很有价值。
There're few who're willing and able to perform jobs requiring a petroleum engineering major, so the value of one more of those people is very high.
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