third party

1. N-COUNT A third party is someone who is not one of the main people involved in a business agreement or legal case, but who is involved in it in a minor role. (商業協議、法律案件中的)第三方

You can instruct your bank to allow a third party to remove money from your account. 你可以通知銀行，允許第三方從你的賬戶取款。