通常指以从事脑力劳动为主要职业的职员阶层，包括企业的技术人员、管理人员、教师、医护人员、律师等white-collar workers(plural)

• 目前的情况是农民的收入增多，超过了城市的白领阶层。

  The situation now is that farmers' incomes have increased and now exceed the incomes of urban white-collar workers.

• 我猛然意识到自己已是白领阶层中的一员。

  I suddenly realized that I am one white-collar worker among many.