His music coveys a sense of optimism.

他的音乐给人一种乐观向上的感觉。

My wife has such an imperative voice that everyone coveys her.

我老婆的意见不容置疑，人们都听她的。

I believe the advantage that branded fruit advertisement coveys, but the advantage exists in non-branded one as well.

我相信品牌水果广告宣称的优点，但其实没品牌的水果也有同样的功效。