You are all skilled and successful salesmen as shown by your records in the field.
从你们在这一领域的业绩来看,你们所有人都是训练有素,事业有成的推销员。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起,加拿大从1870年左右起,殖民者开始向西迁移,并把平原据为己有。