不動聲色改變話題，誰都可以！

　　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(yǎng)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(yǎng)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?