At first we used hand tools. Later we had machines.

开始我们用手工工具，后来我们有了机器。

youdao

In the beginning, we sued hand tools, Later we had machines.

起初，我们用手工工具，后来我们用机器。

youdao

In the beginning, we sued hand tools, Later we had machines.

起初，我们用手工工具，后来我们用机器。

youdao