Please retain your original receipt in case you need to request a refund later.

請保留您的原始收據，以防日後需要申請退款。

The company offered higher bonuses to retain its most experienced sales staff.

公司提供更高的獎金，以留住最有經驗的業務人員。

Hotel guests may retain their room keys until the official checkout time at noon.

飯店房客可保留房卡，直到中午正式退房時間為止。