The third part introduce and propose economics' and institutional theory about waste charge;
第三章介绍有关垃圾收费的经济学理论和制度设计的理论；
They can charge more for water or fertilizer, discouraging waste.
也可以多收水费或化肥费以鼓励减少浪费。
Household waste collection charge: charge levied for removal of household waste.
住户垃圾收集费：为清理住户垃圾而征收的费用。
Time is precious. We budget it, save it, waste it, steal it, kill it, cut it, account for it; we also charge for it.
时间是宝贵的。我们计划时间，节省时间，浪费时间，挤出时间，消磨时间，减少时间，计算时间；(占用了我们的时间)，我们还要收费。
A heat pipe charge was ideal heat charge equipment to apply of engine waste gas heat.
热管式换热器是进行内燃机尾气热量利用较为理想的换热装置。
A heat pipe charge was ideal heat charge equipment to apply of engine waste gas heat.
热管式换热器是进行内燃机尾气热量利用较为理想的换热装置。
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