Fast-food is becoming more and more popular in China, especially among children, teenagers and white-collars.

快餐在中国越来越流行，尤其在小孩子，年轻人和白领这些人群中。

There are several reasons for its popularity. First, it's so convenient that saves a lot of time. Your just need to go into a fast-food restaurant, order your food, and your food is ready in time. Second, you can have many choices, various collocations of food. And you can eat it there or take it away. Third, the environment of fast-food restaurants is both clean and comfortable.

有很多理由可以解释它兴起的原因，首先，它很方便，能节省很多时间。你只需进入一家快餐店，然后点餐，你的食物就会按时送上来。其次，你有多种选择，他们提供各种各样的食物。你可以选择在那吃或带走。第三，快餐店的环境相对干净又舒适。

However, in terns of nutrition, it is usually not a balanced diet and low in nutritional value. Usually, fast-food is rich in sugar, so that regularly eat fast-food may cause obesity.

然而，从营养方面讲，快餐没有提供平衡的饮食，营养价值也很低。通常，快餐都是高糖的，所以经常吃快餐会导致肥胖。

Fast-food is only a good choice when you are in a hurry and turn to it once in a while. But for people, especially children, eat fast-food as little as possible.

当你时间比较赶时，偶尔吃一次快餐，还是不错的选择。但人们还是得尽量少吃，尤其是孩子。