elaborate on

英文造句：

1. Could you elaborate on this theory?
   請你闡述這一理論，行嗎？
2. Can you elaborate on that, mr. fox?
   福克斯先生，那個問題能否請您詳細闡述一下？
3. Just tell us the facts and don't elaborate on them.
   只要告訴我們事實，不必詳細說明。