英语语法分析

Merck closed the regular hours trading day down 6% and Schering-Plough lost more than 11%.

当天交易日中，默克公司的股价下跌6%而先灵葆雅的股价跌幅超过了11%。

Some oncologists agree with Merck and Schering that the cancer findings are probably due to chance.

一些肿瘤学家同意默克和先灵葆雅的观点，认为发现癌症可能纯属偶然。

Merck and Schering did not begin such a trial until October 2005, three years after ezetimibe was approved.

在ezetimibe批准上市后三年，直到2005年10月，默克和先灵葆雅才开始这个试验。