補充

in time和on time
in time及時
on time準時
The bus arrived on time so I got up in time.公車準時到達,我及時上了車.

principle & principal
The principal's principle is not to leave any child behind.校長的信條是不讓任何一個孩子掉隊.

accept & except
We accept all major credit cards except Discover.我們收除了Discover以外的所有信用卡.

personal & personnel
The personnel's person information is confidencial.員工的私人信息是保密的.