Serious attention is being given to diluting the value of personal tax allowances.人们正密切关注降低个人收入免税额度一事。The charge is in proportion to the person's income.费用与个人收入相匹配。He's in hot water with the IRS for failing to report his income.他因未申报个人收入而惹上了国税局。The bottom chart shows the ratio of personal debt to personal income.下面的图表显示了个人负债与个人收入之比。