What is the tangency portfolio in this case?

这个案例中的切线投资组合又是什么呢？

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This graph shows some of it as well, but in this case for children, in the left hand side you see the ideal composition of the diet according to government recommendations that the diet should be partitioned in this way.

这个图表也揭示了一些类似的事实,不过是在儿童饮食中的情况,在左边你看到的是理想的饮食组合,按照政府的推荐食谱,食物应该这样搭配

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