1, male 20 is futures, 30 is spot, 40 is rough goods, and 50 is jumping goods; Women's football 20, chase, basketball 30, chase, table tennis 40, golf 50. Play as far away as possible.

2. No matter whether the weather is good or not, all the people on the street are women; Whether the weather is good or not, men don't want to go shopping.

3. Before marriage, men should borrow money to let women eat well, and after marriage, women should borrow money to let men eat well.

4. It is difficult for a man to sleep with a woman for the first time, and it will become easier and easier in the future; It's easy for a woman to sleep with a man for the first time, but it's getting harder and harder later.