careful study的用法和樣例：
例句
- She makes careful choices when buying shoes.
她買(mǎi)鞋子時(shí)作細心的挑選。 - I received careful tuition from the old teacher.
我從這位老教師那里得到了細心的照顧。 - His careful habits bode well for his future.
他那認真的習慣預示著(zhù)他會(huì )有好的前途。 - Backing up mailboxes requires careful planning.
備份郵箱時(shí)需要進(jìn)行認真的規劃。
