谁说的，现在一些大公司已经着手开发相关项目了，比如太阳能、风能、地热能还有海洋能什么的，这些叫可再生能源。有些新能源已经投入实际使用了。
shéishuōde ，xiànzài yīxiē dà gōngsī yǐjīng zhuóshǒu kāifā xiāngguān xiàngmù le ，bǐrú tàiyángnéng 、fēngnéng 、dìrènéng háiyǒu hǎiyángnéng shénme de ，zhèxiē jiào kězàishēng néngyuán 。yǒuxiē xīn néngyuán yǐjīng tóurù shíjì shǐyòng le 。
Who says? Right now a lot of big companies have already set about developing related programs. For example, solar energy, wind energy, geothermal energy, ocean energy, and so on. These are called renewable resources. Some new energy has already been put into real use.