so on的用法和樣例：
例句
- You may say so on certain occasions.
在某種場合你可以這樣說。 - He talked about how much we owed to our parents, our duty to our country and so on and so forth.
他談到我們受到父母多少恩惠、我們對國家應盡的義務等等。 - One material can be distinguished from another by their physical properties: color, density, specific, heat and so on.
一種材料與另一種材料的區別在於他們的物理性能：顏色、密度和比熱等等。 - This shop sells clothes, shoes, hats and so on.
這商店賣衣服，鞋，帽子等等。
