I will not deal with individual family idiosyncratic factors, and instead focus my analysis on how well average persons in one generation fare compared to average persons in their parents' generation.

我不会研究个别家庭的特殊因素，相反，我研究的中心点是，普通的一代人比其上一代人富裕的程度是多少。

youdao

Note: The average persons refer to resident population at year-end.

注：人均指标按年末常住人口计算。

youdao

In 1971, the average household size was 2.91 persons and by 2011 the average size was 2.35 persons.

BBC: File photo of to let signs

If you happen to get lucky and one of those persons is above average in service you will have to pay to keep that person.

FORBES: Why Is Great Service So Rare?

You can choose to hire 2 quality employees at a slightly higher rate and 10 barely average employees at a lower rate and hope that the skills of the two quality persons rub off on the others.

FORBES: Why Is Great Service So Rare?