So don't be--don't despair if you don't initially land on the tonic here.

所以如果你不能一次找到主音也不要，，不必绝望。

耶鲁公开课 - 聆听音乐课程节选

If you can't decide, don't despair, insect-vendors will usually offer you a mixed bag from their cart.

BBC: Is crawly cuisine the future of food?

So as you belatedly launch your Internet strategy and frustratingly find that your preferred domain name is not available, don't despair.

CNN: ASIANOW - TIME Asia | Asia Buzz: Dot-coms Get Street Smart

But Apple fans shouldn't despair--they'll still likely get something new in January.

FORBES: Apple Cozies Up To Intel