efforts to do sth用法（efforts）
1、是effort的复数形式effort n.（名词）1. The use of physical or mental energy to do something; exertion.努力：耗费精神或体力来做某事；费劲2. A difficult exertion of the strength or will:费神的事。 2、困难的事：艰难地耗费精力或毅力：It was an effort...
1、是effort的复数形式effort n.（名词）1. The use of physical or mental energy to do something; exertion.努力：耗费精神或体力来做某事；费劲2. A difficult exertion of the strength or will:费神的事。 2、困难的事：艰难地耗费精力或毅力：It was an effort...