Very good. But, unless I miss my guess, you should say something about your family, too.
非常好,但是我除非我想错了,不然你应该谈谈你的家庭。
Bison waste no longer fell on the ground to improve the soil, which as a result became less good for growing plants.
地上不再有野牛的粪便来改良土壤,结果对于植物生长土壤变得不够肥沃了。