2.By 1908, the United States was the only industrial nation in the world that lacked workers' compensation insurance.
1908年以前,美国是世界上唯一一个没有工人赔偿保险的工业国家。
3.The ancestors of plants were photosynthetic single-celled organisms that gave rise to plants presumably lacked true roots, stems, leaves, and complex reproductive structures such as flowers.
5.He lacked the judgment and political acumen for the post of chairman.
他缺少作为主席的判断力和政治敏锐性。
6.Somehow, though, their latest CD has a focus that the others have lacked.
但是,不管怎么说,他们的最新激光唱片具备别人没有的诉求点。
7.Because no modern land animals even approach sauropod size, scientists have also lacked a living analogue to use as a guide to possible sauropod behavior.