毫无疑问，乐观者拥有更高的幸福指数，而悲观者永远也体会不到。

There is no denying that, most optimists have a high happiness index, which can hardly be experienced by pessimists.

youdao

毫无疑问，乐观者拥有更高的幸福指数，而悲观者永远也体会不到。

There is no denying that, most optimists have a high happiness index, which can hardly be experienced by pessimists.

youdao