Sustainability must be profitable, or it won't be sustainable at all.
出自汉·桓宽《盐铁论·后刑》。锄去田里有害的杂草,禾苗就可以健康地生长;惩罚为非作歹的恶人,百姓就会感到喜悦。
海底并非永恒不变,而是在不断更新。
The beauty of literature is that it allows us to live a thousand lives in one.