labor certification信息详情
劳工证
certification───n.证明，鉴定；出具课程结业证书，颁发证书
labor───vt.详细分析；使厌烦；n.(Labor)人名；(德、塞、法)拉博尔；(英)拉博；n.劳动；工作；劳工；分娩；vi.劳动；努力；苦干
certification poc───认证poc
labor market───n.劳动市场；劳动市场；劳工市场
labor-saving───adj.节省劳动力的；adj.节省劳力的；减轻劳动的
certification test───认证测试；出厂证明试验；资格认证考试
labor cost───劳工成本，人工成本；人工成本；工资；劳工成本
labor contract───n.劳工合同
constant labor───持续劳动
Wal-Mart said it will require third-party certification that suppliers are meeting all the safety, labor and environmental standards required by local laws.───沃尔玛说，将要求第三方认证确保供应商达到当地法律在安全、劳动用工和环保方面的规定。
For this post, I've noted two ways to quantify the value of a certification by focusing on the value of the labor spent to study for a certification.───对于这篇博客，我会提到有两种以劳动力来量化认证价值的方式。
Most categories require an employer to get a labor certification and then file a Form I-140, Immigrant Petition for Alien Worker, for you.───在美国，大多数类别需要雇主得到劳动证书，提出表格I-140——移民雇员申请表。