在“当谢丽尔加入时，我们正缺少高管的直属下层人员，”兰迪•扎克伯格说。

“When Sheryl joined, we were missing the layer right below the senior-executive team,” Randi Zuckerberg said.

youdao

层位较昂格鲁克岩流为高的马却多多普凝灰岩及集块岩，只见于德兰士瓦东部。

The Machadodorp tuff and agglomerate, which is higher-lying than the Ongeluck lave, is known only from the Eastern Transvaal.

youdao

但是我国股市流动性波动率高，并且和市场回报率之间存在单向格兰杰因果关系。

However, fluctuation rate of Chinese stock markets are high, and have unilateral Granger causal-effect relationship.

youdao