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。
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。
应用推荐