no doubt造句
They have the usual quota of human weaknesses,
no doubt.
毫无疑问，他们身上也有人所共有的弱点。
There was
no doubt in his mind that the man was serious.
在他看来，这个人无疑是认真的。
I have
no doubt that we are polluting the environment beyond redemption.
我丝毫都不怀疑我们对环境的污染是不可挽回的。