Borjas's Immigration Surplus findings do draw a distinction between high and low skill workers.

博尔哈斯的移民盈余发现确实能区分高技能工人和低技能工人。

It notes that the arrival of larger numbers of high skill workers is associated with a larger immigration surplus.

报告指出，大量高技能工人的到来与大量的移民盈余有关。