They raised $630,000 through listener donations, and then called it quits.

他们通过向听众募捐筹集到了63万美元，之后就叫停了。

He quit his job as an office boy.

他辞去了办公室勤杂员的工作。

A nicotine spray can help smokers quit the habit.

一种尼古丁喷剂可以帮助吸烟者戒烟。

Science fiction writers have long dreamed that humans might one day quit the earth to colonize other planets.

科幻小说作家们长期以来一直梦想着人类有一天可以离开地球移居到其它星球上。