The second exploitation serfs suffered was corveelabor - a broad term covering not only corvee, but taxes and levies, and rents for land and livestock.
农奴遭受的第二重剥削是乌拉差。乌拉差是一种包括徭役、赋税、地(畜)租在内的含义十分广泛的差税总称。
2
You're flogged 100 times and they pull out your hair and there's a monetary fine, and you do corvee, forced labor, for a month.