英语语法分析

US Republican Congressman David Dreier is in Egypt to observe the elections.

美国共和党议员正在埃及观察这次选举。

Dreier, who directs the Urban and Environmental Policy Program at Occidental.

在西方，他指导了城市和环境政策计划。

Dreier, according to court documents, was the only person at the 238-lawyer firm to have authority over those escrow accounts.

法庭的材料表明，在这家总共有238名律师的事务所中，只有德雷尔一人经手那些第三方托管账户。