So take a simple example, with r equals five percent and g equals one percent, wealth holders only need to reinvest one fifth of their capital income to ensure that their wealth rises as fast as the size of the economy.
举个简单的例子， r为5%，g为1%， 财富持有者只需要再投资 资产中的五分之一 就可以保证他们的财富 可以和经济等速增长。