用major depressive episode造句子，“major depressive episode”造句

3、The investigators defined subthreshold bipolar disorder as recurrent hypomania (mild hypomania) without a major depressive episode or with fewer symptoms than required for threshold hypomania.

1、a major depressive episode associated with the climacteric.

2、a major depressive episode that occurs without the manic phase that occurs in the classic form of bipolar disorder.