The refund policy is so convoluted that customers keep calling us for clarification.

退款政策太過複雜難懂，客戶不斷打電話來要求我們說明。

Our manager asked us to simplify the convoluted approval process before the next quarterly meeting.

經理要我們在下次季度會議前，簡化那套錯綜複雜的核准流程。

The shipping route seemed convoluted, with three transfers before reaching the Busan warehouse.

這條運輸路線看起來很繞，要轉運三次才能抵達釜山倉庫。