translation.en: At least if we get beyond a barter economy, somebody has to earn an income and someone else has to convert that income to care and sustenance for loved ones.
translation.zh: 至少，一旦我们超越了以物换物的经济模式， 总得有人赚取收入， 另外得有人将那些收入转化为 照料和维持家人的生计。