小规模养殖者是可持续水产养殖的支柱；他们的知识是不可替代的。
Small-scale farmers are the backbone of sustainable aquaculture; their knowledge is irreplaceable.
You must change nothing in your writing without absolute necessity. If it is necessary， then change with simplicity.
我的生命本来就是预备向你的仇敌抛掷的。
There is no stress in the world, only people thinking stressful thoughts.