go back
返回,回到…話題上來,追溯到
go back
v 1: come back to place where one has been before, or return to a
previous activity [syn: return, get back, come back]
2: belong to an earlier time; "This story dates back 200 years"
[syn: date back, date from]
3: return in thought or speech to something [syn: recur]
4: regain a former condition after a financial loss; "We expect
the stocks to recover to $2.90"; "The company managed to
recuperate" [syn: recover, recuperate]