Advantages and Disadvantages in the Present Diet Structure
     With the development of the living standard, people＇s diet structure is changing. To be amply fed and clothed is not the only purpose now. People pay more attention to the nutrition of the food and they also care if it can make them vigorous and graceful at the same time. In the pasttime, meat and eggs are considered as the most delicious. Nowadays more and more vegetables take the place of the meat on the table, since people know that there are much more vitamin and fibres in the vegetables than in the meat.  Furthermore, vegetables can keep them fit. Meanwhile milk had been accepted by the masses,because of its abundant nutrition. The diet has become a kind of science.
      The specialists are always telling people what food to eat,what to avoid and what to be put together. All kinds of propanda advertisements hasten us from a new custom.
      However, some people become the slaves of the new diet custom. They hesitate to eat and lay stress on the diet rules excessively, so that they can＇t enjoy many delicious dishes.
      To make our life better, we have to raise the quality of our diet. Let＇s group the art of the diet. Let it make our life more healthy and beautiful.
[点评]
    文章先介绍了现代饮食结构的变化情况，然后具体说明了饮食已成为一门科学。之后又从相反的方面告诉我们：由于专家们的种种建议以及广告的宣传，有些人竟成了新饮食习惯的奴隶。作者认为，只要做得恰到好处，生活会美好的。
[参考译文]
现代饮食结构的利与弊
    随着生活的发展，人们的饮食结构也在发生变化。现在，吃饱、穿暖已经不是惟一的目的。人们更加关注食物的营养，关心它是否能使我们精力充沛、优雅端庄。
    过去，人们认为肉蛋就是最美味的食品了。现在，越来越多的蔬菜取代了餐桌上的肉。因为，人们知道蔬菜中的维他命和纤维远远多于肉类。进一步讲，它可保持体形。同时，牛奶又被大众接受，因为它含有大量的营养。饮食已成为一种科学。
    专家们总是告诉我们哪一种食物该吃，哪一种食物不该吃，哪几种食物应相互搭配吃。各种广告宣传促使我们形成了新的饮食习惯。而有些人却成了新饮食习惯的奴隶。他们对吃什么犹豫不决，过多的注重饮食规则。因此，他们享受不到饮食的乐趣。
    为了生活得更好，我们必须提高饮食质量。让我们重视饮食艺术，我们的生活更加健康美好。