“That's how I know we were set up.”
所以我才知道,我們被人設了局。
一句話把整場的疑問收束成結論:不是巧合,是有人出賣。
That's how I know ...
把推理說成結論時用,對熟人講判斷最合適;正式報告裡別這麼口語。
That's how I figured it out. / That's how you can tell.
口語
重音落在 set up,前面 That's how I know 快帶過。
That's how I know the email was fake. 所以我才認定那封郵件是假的。
