He determined that people slouch and lean when bored, so a speaker can measure the boredom of an audience by seeing how far from vertically upright they are.
他确定当人感觉到无趣时会无精打彩地斜坐在那里，所以说话的人可以通过看听众的倾斜度来判断他们的烦躁程度。
Seeing that they are getting too fat, some people go on a diet that's too stringent or too lean in order to lose weight.
看到他们变得太胖，有些人节食太严格或者太瘦为了减肥。
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