1.  Years ago, the mainstream has announced that women are good at liberal arts as well as taking care of others while men own better logical thinking than women.

2.  For thousands of years, men appearing as masculine are supposed to be more aggressive, enterprising and responsible while women, the representatives of feminine, are taught to be submissive, family-centered and conservative.

3.  The sexual stereotyping have limited and shapes both men and women's attitudes and behavior for thousands of years.

4.  Our ancestors have striven to find a way that can realize the equality between genders for hundreds of years.

5.  For thousands of years, food had always been eaten cold and raw and it's no doubt that when people tasted food that had been cooked for the first time, they found it tasted better.

6.  I have been learned English for years.

7.  Though we have spent years dealing with it, we must continue the study.

8.  The universities educate a great deal of people knowledge they acquire and lead them to a whole new life years after years.

9.  I've received English teaching since I was in primary school, but years have passed and I still haven't got a really good command of English.

10.  It is obviously that the boundaries among different groups and races are the natural fitness, because they are the products of the natural evolution and form through thousands of years.