There are many kinds of resources on the Earth.Four of them are very important.They are renewable,nonrenewable,human and capital resources.Renewable resources can be used again and again.They can be replaced within a short time.
Some energy resources are renewable.The energy from the sun,tides,water and wind is renewable.Also,trees and animals are renewable.But humans still need to take good care of them.We should not waste them at all.
Nonrenewable resources are limited in supply.Once we use them,they disappear forever.They can't be replaced.Many energy resources are like this.Coal,gas and oil are nonrenewable.
Human resources are people and the skills they have.This also includes the knowledge and information that humans have.People make products using renewable and nonrenewable resources.
Machines are often used to produce goods.The machines and tools that are used to produce goods are called capital resources.
地球上有很多种资源，其中有四种非常重要。它们是可再生的、不可再生的、人力和资本资源。可再生资源可以反复利用。它们可以在短时间内被替换。
有些能源是可再生的。来自太阳、潮汐、水和风的能量是可再生的。此外，树木和动物是可再生的。但人类仍然需要好好照顾它们。我们根本不应该浪费它们。
不可再生资源的供应是有限的。一旦我们使用了它们就永远消失了。它们无法替代。许多能源资源就是这样。煤、天然气和石油是不可再生的。
人力资源是人和他们所拥有的技能。这也包括人类所拥有的知识和信息。人们使用可再生和不可再生资源制造产品。
机器通常用于生产商品。用于生产商品的机器和工具称为资本资源。