Happiness is not something ready-made. It comes from your own actions.
拯救犀牛的唯一方法是拯救它所生活的環(huán)境,因?yàn)樗c數(shù)百萬(wàn)其他動(dòng)植物物種之間存在相互依賴關(guān)系。
The future of coal lies in clean and efficient utilization.
動(dòng)物和人類的有目的行為。