Sustainability isn't an option - it's our responsibility to future generations.
谗言不会自己来,而是因为心中有猜疑才来;离间的话不会自己钻入,而是因为有了缝隙才来。
可持续性不是一种选择,而是我们对后代的责任。
We must be vigilant and resolutely fight against all enemies, both internal and external.