的确如此用英语怎么说so

"So" is an adverb in English that can mean "therefore," "as a result," "in this way," or simply to emphasize what was just said. Its origin is uncertain, but it is thought to have originated as a shortened form of "so then."
Examples in English:
I have a headache, so I need to take a break.
(我头痛，所以我需要休息一下。)
She is very smart, so she will do well in the exam.
(她很聪明，所以她会在考试中表现好。)
I'm hungry, so I'm going to make a sandwich.
(我饿了，所以我要去做三明治。)