Firstly, we should think about the health care experience as a whole.

　　首先，我們應該把醫療體驗作為一個整體來考慮。

　　You are on the right track—it is actually the echo of all the leaves as a whole that matters.

　　你找對思路了——真正重要的是所有樹葉整體的回聲。

　　That's a condemnation of the students as a whole, and doesn't explain all campus unhappiness.

　　這是對學生整體的譴責，并不能解釋所有校園的不快。