C209 Date Solved

So one man picked up his phone and called his cousin, and the man on the other side picked up the phone. He felt very impatient. "What important discoveries do you have? If you find anything. . . Try your best to solve it yourself, instead of following me around all the time. Let me help you solve it, okay? Right now, my boss and I are in a very important place. So don't call me anymore