Definition (數量)
to determine the number of individuals present in a specific location or group
計算在場人數
Before the meeting starts, the manager will usually count heads to ensure all relevant personnel are present.
會議開始前，經理通常會清點人數以確保所有相關人員都在場。
The group leader needs to count heads before starting any activities to ensure no one is lost.
在開始任何活動之前，小組領導者需要清點人數以確保沒有人走失。
We need to count heads so we can order enough meals.
我們需要清點人數，這樣我們才能訂購足夠的餐點。