我们自己没有任何家具，所以不得不从头开始。

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.

她决定通过参加在线课程从头开始学习编程。

She decided to learn programming ___from ___scratch by taking online courses.