在关系模型中，把数据看成是二维表，每一个二维表称为一个 【3】 。

把下列短文中划线的句子译成中文。

During the days we are growing up, we might meet a lot of problems. Maybe our parents don’t understand us. 10 Most of time we are not allowed to make own decisions. My friends and I couldn’t get along with each other. 小题1:__Sometimes I find I am so busy with my homework that I have no time to chat with my friends. Then how do we deal with our problems? First, we should regard the problems as challenges. Next, we should try to communicate with others. 小题2:__Maybe forgetting is also a good way to deal with the problems .  Anyway，you should think of something happy.