by the sweat of one's brow
导读：by the sweat of one\'s brow怎么读
by the sweat of one\'s brow的意思释义 adv.靠自己辛勤劳动；
by the sweat of one\'s brow的意思释义 adv.靠自己辛勤劳动；
by the sweat of one\'s brow怎么读
by the sweat of one\'s brow的意思释义
adv.
靠自己辛勤劳动；
adv.
靠自己辛勤劳动；
