The problem, needless to say, is the cost involved.

不用说，问题是所涉及的费用。

All this, needless to say, had been culled second-hand from radio reports.

不必说，这一切都是从无线电广播报道中搜集来的第二手信息。

Needless to say, I was not pleased.

不用说，我并不高兴。

Needless to say, Gupta was not happy.

不用说，古普塔高兴不起来。

Needless to say, the incumbents all won.

更不用说，现任都赢得了选举。