contractor,temporary worker和contingent woker的意思

temporary和provisional的区别 contingent markets 和 contingent claims是什么意思啊? The teacher and woker 和 The teacher and the woker 的动词be 怎样用? INTERNATIONAL INDEPENDENT CONTRACTOR AGREEMENT的汉语意思? contractor 在机电设备里的意思 worker的中文意思 worker的意思? office worker的意思? provision和contingent liability的区别!各路神仙! be contingent on和be subject to的区别 contingent co-partner 和co-worker分别的意思和区别