求翻译：如果每个移民平均带走的人力资本量超过了原有每个工人的全部资本，那么，这个国家每个工人平均拥有的资本降低了，因而造成的比率下降导致（劳动生产率的）平均收入的下降。是什么意思？

If the amount of human capital on average each immigrant took more than the entire original capital per worker , then , this country has an average capital per worker is reduced, resulting in a decline in the ratio resulted in average income ( labor productivity ) of

If the size of each immigration average away the human capital is more than the original per worker in all the capital, then, each of the country workers have an average of capital have been lowered, as a result of the decline in the ratio (productivity) of the average income of the lower.

If each immigrant carries off equally the human capital quantity has surpassed the original each worker's complete capital, that, this national each worker has equally the capital reduced, thus creates the ratio drops causes (labor productivity) the average income drop.

If every immigrant with an average amount of human capital than the original total capital per worker, well, every worker in this country has an average of capital is reduced, thus causing the declining ratio of lead (labor productivity) average income drops.

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