大批农民离开家乡,走向陌生的城镇、工厂和矿山,融汇成队伍庞大的劳务大军。然而这由农民工组成的劳务大军却在打工过程中,饱受了各种不公正待遇、尝尽了种种酸甜苦辣,在许多情况下,甚至得不到社会应有的救助。一些专家就此呼吁,应尽快为农民工建立相应的社会救助机制,防止他们 A large number of peasants left their hometowns and headed for unfamiliar towns, factories and mines, and merged into a large contingent of servicemen. However, the labor force composed of migrant workers has suffered all kinds of unfair treatment in the course of working and has experienced all kinds of ups and downs. In many cases, it has not even got the social assistance it deserves. In response, some experts urged that migrant workers should establish social assistance mechanisms as soon as possible to prevent them