Most people I meet have some English ability, but the ones who work hard at it really stand out from the crowd.
我遇到的多数人都会点英语,但只有那些刻苦学习的人才鹤立鸡群,给我深刻印象。
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。