The charts below show the percentage of their food budget the average family spent on restaurant meals in different years. The graph shows the number of meals eaten in fast food restaurants and sit-down restaurants.

下图显示了不同年份普通家庭在餐厅用餐上的花费占其食品预算的百分比。图中显示了在快餐店和餐馆就餐的次数。

You should write at least 150 words.

Give reasons for your answer and include any relevant examples from your own knowledge or experience.

你应至少写 150 个字。

给出答案的理由，并举出自己的知识或经验中的相关例子。

Over the past 30 years, the average family has dramatically increased the number of meals that they eat at restaurants. The percentage of the family's food budget spent on restaurant meals steadily climbed. Just 10 percent of the food budget was spent on restaurant meals in 1970, and 15 percent in 1980. That percentage more than doubled in 1990, to 35 percent, and rose again in 2000 to 50 percent.

过去 30 年间，普通家庭在餐馆就餐的次数大幅增加。家庭食品预算中用于餐馆用餐的比例稳步上升。1970 年，餐厅用餐仅占食品预算的 10%，1980 年为 15%。1990 年，这一比例翻了一番多，达到 35%，2000 年再次上升到 50%。

Where families eat their restaurant meals also changed during that 30-year period. In 1970, families ate the same number of meals at fast food and sit-down restaurants. In 1980, fam¬ilies ate slightly more frequently at sit-down restaurants. However, since 1990, fast food restaurants serve more meals to the families than do the sit-down restaurants. Most of the restaurant meals from 2000 were eaten at fast food restaurants. If this pattern continues, eventually the number of meals that families eat at fast food restaurants could double the number of meals they eat at sit-down restaurants.

在这 30 年间，家庭在餐馆就餐的地点也发生了变化。1970 年，家庭在快餐店和餐馆就餐的次数相同。1980 年，家庭在餐馆就餐的频率略高。然而，自 1990 年以来，快餐店为家庭提供的餐食数量超过了坐式餐厅。从 2000 年开始，大部分家庭都在快餐店用餐。如果这种模式继续下去，最终家庭在快餐店就餐的次数可能会是在坐式餐厅就餐次数的两倍。