宽口

As the Ma Yun of Amphitryon, it is the lecturer that has person energy of life most among them undoubtedly, can to it compare, shi Yuzhu is among them one of.

作为东道主的马云，无疑是其中最具人气的演讲者，能与之匹敌，史玉柱算是其中之一。

Exxon Mobil generates double the earnings of PetroChina – although, since it does so on four times the revenues, the US giant's profit margins are punier.

埃克森美孚的利润是中石油的两倍——不过，由于埃克森美孚的营收是中石油的四倍，因此这家美国石油巨头的利润率要低得多。