Definition (确保)
To take necessary actions to ensure a particular outcome or condition is achieved or confirmed.
确认；确保
Before leaving the house, please make certain to lock all doors and windows.
在离开家之前，请务必锁好所有门窗。
I will double-check to make sure that I have sent the correct document.
我会再确认一次，以确保我发送了正确的文件。
They make sure everyone has received the agenda before starting the meeting.
他们确保每个人都收到议程后才开始会议。