上星期我在语法上出了个错，但从那时起便再没出错。

I made a mistake in grammar last week, but I have not made any grammatical mistake since.

youdao

上星期我在语法上出了个错，但从那时起便再没出错。

I made a mistake in grammar last week, but I have not made any grammatical mistake since.

youdao