你是说经历伙伴之爱是必要但不充分条件。

You mean a necessary condition but not sufficient.

youdao

课堂上可以讲授的工具,是必要的，但不充分。

The tools that could be taught in the classroom may be necessary, but not sufficient.

youdao

课堂上可以讲授的工具,是必要的，但不充分。

The tools that could be taught in the classroom may be necessary, but not sufficient.

youdao