她放弃高薪职位,投身乡村教育改革。Tā fàngqì gāoxīn zhíwèi, tóushēn xiāngcūn jiàoyù gǎigé.She gave up a high-paying position and devoted herself to rural education reform.
大学毕业后,他投身于环保事业。Dàxué bìyè hòu, tā tóushēn yú huánbǎo shìyè.After graduating from university, he devoted himself to environmental protection.
他毅然投身创业,用上了全部积蓄。Tā yìrán tóushēn chuàngyè, yòngshàngle quánbù jīxù.He resolutely threw himself into starting his own business, using all his savings.