值分布理论

The crisis there is no sign of bottoming out on the impact of the world economy is also incalculable.

这场危机目前并没有见底的迹象，对世界经济产生的影响还无法估量。

Hair cap moss is found throughout much of the world.

一种头发帽子的苔藓植物在可以找到遍及全世界。