VERB
勉強糊口;勉強度日
If people subsist, they are just able to obtain the food or money that they need in order to stay alive.
例句
The prisoners subsisted on one mug of the worst quality porridge three times a day...
犯人們每日三餐靠一碗稀粥度日。
Almost every employee must moonlight in second jobs simply to subsist.
只是為了維持生計，幾乎每個職員都要偷偷地做兼職。