随着跟多的人拥有了“职业生涯组合 ” — —依靠多重收入源而不仅仅是一个工作 — — 收集和分析劳动力市场数据变得更加困难。
As more people adopt “portfolio careers” – relying on several sources of income, rather than a single job – it becomes harder to collect and analyze labor-market data.