Idiom: "as a matter of fact"

Definition:

in fact; actually

Examples:

1) As a matter of fact, Sarah did buy that dress even though she thought it was too expensive.

2) As a matter of fact, you can start the job right away.

中文解釋： http://www.youzienglish.com/main/idiom_of_the_day/as_a_matter_of_fact/cn/