基本解释減輕他們的經濟負擔英汉例句雙語例句The cost of education is rising so rapidly that college students have to _lighten their parents' financial burden by take part-time jobs___.教育費用快速增長，不少 大學生不得不通過兼職來減輕父母的經濟負擔。lighten their financial burden更多例句