英文“sure”和“ofcourse”用法有什么不同

sure 是很爽块地回答可以,一定,无疑的.
of course 是理所当然的意思.
两者很多情况下能混用.

举例,必须用sure的时候:
He is clever, to be sure, but not very hard-working.
She is sure to pass the examination.

必须用 of course的时候:
Mothers as a matter of course have much affection for their child

sure 是很爽块地回答可以,一定,无疑的.
of course
是理所当然的意思.
两者很多情况下能混用.
举例,必须用sure的时候:
He is clever,to be sure,but not
very hard-working.
She is sure to pass the examination.
必须用 of
course的时候:
Mothers as a matter of course have much affection for their
children.
I will write to you of course,but not every week.