纽约英语口语网新版
美国常速短语
第 33 课:Effective Or Ineffective 有效、无效-1

This might help. 这也许会派上用场.

Taste will tell. 效果如何,一试便知.

It will do just as well. 这可全然代用.

It's very handy. 这很管用.

It never fails. 这百试百灵!

Darn, it still doesn't work. 糟糕, 还是不管用.