Hi, everybody. I've delivered a few hundred of these weekly addresses over the years. And you may have noticed a theme that pops up pretty often.

大家好。过去这几年里我发表了上百次每周演讲。你也许已经注意到有一个主题经常出现在演讲中。

youdao

Hi, everybody. I've delivered a few hundred of these weekly addresses over the years. And you may have noticed a theme that pops up pretty often.

大家好。过去这几年里我发表了上百次每周演讲。你也许已经注意到有一个主题经常出现在演讲中。

youdao