1. They have to do with people's body weight and shape. 他们必须解决人们的体重和体型问题。
2. Other cultural rules have to do with taboos against eating certain things. 其他文化规则与某些食物的禁忌有关。
3. Some of their earliest observations have to do with the level of self-control the youngsters displayed. 他们最早观察到的一些现象与儿童表现出来的自我控制程度有关。
4. The maternal strategy evolved by harbor seals may have to do with their small size and the large proportion of their fat stores depleted in lactation. 麻斑海豹进化出的母性策略可能与它们的小体型和哺乳时消耗掉的大部分脂肪有关。
5. The reasons why they don't, and why the environment has not been ruined, have to do with prices, technological innovation, social change and government regulation in response to popular pressure. 他们不这样做的原因，以及为什么环境没有被破坏的原因，都与价格、技术创新、社会变革和政府应对公众压力的监管有关。
