英语语法分析

As White and Jacoby wrote, "London, Paris, Moscow, and Washington are great cities still, centers of command and decision;

正如白修德和贾安娜所说，“伦敦、巴黎、莫斯科和华盛顿依然是大城市，是指挥和决策的中心；

How planetary nebulae can form such complex structures, however, is a hot debate among professional astronomers such as Jacoby.

然而，关于行星星云如何形成这么复杂的结构，却在Jacoby等专业天文学家中引发了一场热烈的争论。

This week Stefan Jacoby, a Volkswagen executive who has been running the German group's operations in America, was appointed as Volvo's new boss.

这周大众汽车首席执行官Stefan Jacoby——他一直在管理大众汽车在美洲区的业务——被任命为沃尔沃新一任的总经理。