双语例句原声例句
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Some of those countries are really reliant on oil,... so they really have to do — they really should do a calculation of efficient portfolio frontiers.
有些国家过于依赖石油了，所以他们真的需要-，他们真的应该好好算一算，有效边界。
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Some of those countries are really reliant on oil, ... so they really have to do-- they really should do a calculation of efficient portfolio frontiers.
有些国家过于依赖石油了，所以他们真的需要-,他们真的应该好好算一算,有效边界。
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- 来自原声例句