我们自己没有任何家具，所以必须从头开始。

We didn't have any furniture of our own so we had to start ___from ___scratch.

这意味着你不必和老师从头开始。

That means you don't have to start ___from ___scratch with your teacher.

火灾过后，他们决定从零开始重建社区中心。

After the fire, they decided to rebuild the community centre ___from ___scratch.