Researchers sometimes discover new species just as hunting, farming and other pressures are pushing them to extinction.
随着偷猎、农垦和其他生存压力的接踵而至，导致某些新物种已经被推到濒临灭绝的边缘时，研究者们才发现了它。
The business of agriculture and farming sometimes can be more profitable than banking!
农业和农业企业，有时可超过银行赢利！
He did what most children in the village had to do---he helped his parents do the farming, went outside with his little friends and sometimes played tricks.
那时他的童年生活也和大多数农村小孩同样，经常帮爸爸妈妈做一些农务，而没事时就和几个好伙伴一起去玩，有时候还做一些捣蛋的事。
Sometimes over-farming and soil erosion contribute to drought, but there are also natural disasters that can occur even when soil is carefully preserved.
有时，过度耕种和土壤侵蚀都能造成干旱。但是，尽管有时人们很注意保护土壤，旱灾依然会发生。
Sometimes over-farming and soil erosion contribute to drought, but there are also natural disasters that can occur even when soil is carefully preserved.
有时，过度开垦和水土流失也会导致干旱，但是也有这样的情况，即使是土壤被小心地保护起来了，这样的自然灾害同样会发生。
Sometimes over-farming and soil erosion contribute to drought, but there are also natural disasters that can occur even when soil is carefully preserved.
有时，过度开垦和水土流失也会导致干旱，但是也有这样的情况，即使是土壤被小心地保护起来了，这样的自然灾害同样会发生。
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