The A.F.L.also opposed extremists who used labor protests to change the social system.

VOA: special.2010.05.06

That at the base of all societies there has to be a labor system that will support the possibility of Plato.

在所有社会的基础上,必须有一个劳动制度,一个能供柏拉图施展他才华的制度

耶鲁公开课 - 美国内战与重建课程节选

Well Pete, you see, there was this free labor system and this slave labor system," blah-blah blah-blah.

皮特你知道,当时北方是自由劳动制,而南方是奴役劳动制",等等,等等

耶鲁公开课 - 美国内战与重建课程节选