“只有…才…”
HSK 4
只有 + A，才 + B
表示必要条件。
例句
只有多说多练，才能说得好。Zhǐyǒu duō shuō duō liàn, cáinéng shuō de hǎo.
Only by practicing more can you speak well.
只有老师才能回答这个问题。Zhǐyǒu lǎoshī cáinéng huídá zhège wèntí.
Only the teacher can answer this question.
