教育费用快速增长，不少大学生不得不通过兼职来减轻父母的经济负担。
The cost of education is rising so rapidly that college students have to _lighten their parents' financial burden by take part-time jobs___.
为减轻父母的经济负担，我真诚地希望得到诸如助教或助研奖学金之类的经济资助。
In order to reduce the financial responsibility of my parents, I earnestly hope to obtain some kind of financial aid in the form of teaching or research assistantship.
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