英语语法分析

BCG has analysed 100 leading firms from emerging economies.

BCG分析了新兴经济体的100家领先公司。

BCG describes some of the ways that feat has been accomplished.

波士顿咨询集团描述了获得这一本领的几种方法。

The effect of BCG against XDR-TB would therefore likely be very limited.

因此，卡介苗对广泛耐药结核的作用可能非常有限。