用于陳述的轉(zhuǎn)折
示例
A:You mean you failed the exam?
B:Actually, it is not the case! Let me explain.
A:你說你考試不及格?
B:事實上不是這樣的,我來解釋。
A:No one knows how old she is.
B:Well, actually, yesterday was her 50-year-old birthday.
A:沒有人知道她多大了。
B:嗯,實際上,她昨天剛過了50歲生日。