“That's how I know we were set up.”
所以我才知道,我们被人设了局。
一句话把整场的疑问收束成结论:不是巧合,是有人出卖。
That's how I know ...
把推理说成结论时用,对熟人讲判断最合适;正式报告里别这么口语。
That's how I figured it out. / That's how you can tell.
口语
重音落在 set up,前面 That's how I know 快带过。
That's how I know the email was fake. 所以我才认定那封邮件是假的。
