可以,但不能接that--从句
the question of how to improve our mental health
=the question of【 how we can improve our mental health】
你给的句子缺引导词和主语
可以,但不能接that--从句
the question of how to improve our mental health
=the question of【 how we can improve our mental health】
你给的句子缺引导词和主语