Insomniacs often have trouble regulating their body temperatures, which must drop in order for sleep to occur.
身患失眠症的人通常无法调节自己的体温，而温度降不下来的话是没法入睡的。
2
Even though there are strict rules regulating the use of chemicals in food, some food producers disregard them intentionally in order to gain more profits.
即使有严格的规定，规范使用化学品的食物，一些食品生产商不顾他们故意，以便能获得更多的利润。
3
From the view of theory, the perpendicular division system is an ideal and helpful professional division system to regulating the markets order.