In the museum tour guide's talk, she explained how merchants once indentured boys as apprentices.

博物館導覽員在解說中提到，過去商人會立約讓男孩當學徒。

The history exhibit shows how shipping companies indentured sailors for seven years of service.

這項歷史展覽呈現航運公司如何立約要求水手服役七年。

Our training manual notes that firms no longer indenture workers; contracts now protect employee rights.

我們的訓練手冊指出，企業已不再以契約束縛勞工，現在的合約會保障員工權益。