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.