Our survey universe includes every customer who placed an order online last year.

我們的調查母體包含去年所有在網路上下單的顧客。

The research team defined the universe as all full-time employees in the Taipei office.

研究團隊將母體定義為台北辦公室的所有全職員工。

Before sampling, the bank narrowed its universe to account holders with active credit cards.

在抽樣之前,銀行將母體縮小為持有有效信用卡的帳戶持有人。