But with modern technology no more than 1,000 people worked on this bridge at any time.

但是有了现代科技，任何时候造桥都用不到1000人。

youdao

But with modern technology no more than 1,000 people worked on this bridge at any time.

但是有了现代科技，任何时候造桥都用不到1000人。

youdao