Much of what we call 'income,' in the true sense of adding value from economic activity, is actually depletion instead, or the running down of natural capital, 'he wrote.
我们所谓的“收入”，它们本该是经济活动的增加值，而它们现在却大多是由被损耗掉的自然资源转化来的。
2
So annuity schemes are a natural supplement for retirement income.
所以，年金保险方案很自然被人们当做对退休后收入的补充。
3
To provide more income for the population of Paraterra and also preserve the natural environment of our tiny country, we too should begin to promote ecotourism.