Oh，by the way (順便說一句)
By the way, could you do me a favor?
順便說一下，你能幫我個忙嗎?
Before I forget(趁我還沒忘)
Before I forget, do you have plans for tomorrow night?
哦，趁我沒忘，問下你明天晚上有安排了嗎?
That reminds me(…讓我想起)
That reminds me of my first dog.
哦，那讓我想起我養的第一只狗……blahblahblah
Speaking of(說到/提起…)
Speaking of pets，I really miss my first dog
嗯，說到寵物，我實在很想念我養的第一只狗……
While we are on the subject…(既然談到這個話題)
While we are on the subject of money, may I ask when you will repay the loan?
既然說到錢的話題，我能知道你什么時候會還這筆貸款呢?
