Please excuse me if sometimes I cannot fully join you especially when I'm not familiar with the references, issues, phenomena mentioned in the class here.

所以请您原谅我——如果有时我不是很了解课堂上所谈及的事件、典故、现象。

youdao

So -- so I ask this Congress to join me in doing whatever proves necessary, because we cannot consign our nation to an open-ended recession.

CNN: Obama speech to Congress focuses on economy