May infer that, not the massive crowds carryon the difficult work, is unable to complete this huge project.

可以想见，没有大量的人群迚行艰苦的劳动，是无法完成这项巨大工程的。

youdao

May infer that, not the massive crowds carryon the difficult work, is unable to complete this huge project.

可以想见，没有大量的人群迚行艰苦的劳动，是无法完成这项巨大工程的。

youdao