这些收获的背后是什么？

What is behind these gains?

youdao

十几年的时光，在收获的背后是无数的艰辛和汗水。

With ten years of harvest, there's countless hard work and sweat behind it.

youdao

十几年的时光，在收获的背后是无数的艰辛和汗水。

With ten years of harvest, there's countless hard work and sweat behind it.

youdao