这是一张关于食物种类和为什么它们对我们的健康有益的图片。
Here is a picture about food groups and why they are good for our health.
地图，图表，曲线和图片都是有益的线索。
Maps, charts, graphs and pictures are clues that will help the reader.
所以我一直想知道，有益的是与真实的宠物互动吗？或是只是看看猫猫狗狗的图片就可以减少压力呢？
So I was wondering-is it interacting with actual pets that's beneficial, or would just looking at pictures of cats and dogs work to curb stress?
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