每日口說挑戰 為什麼白鑽特別貴？

今日挑戰句子

Ideally the diamond is flawless if you can't see any of that stuff under ten times the magnification. The higher the clarity the more rare and expensive it is.

理想來說一顆鑽石在放大了十倍之後還沒看到任何雜質，它就完美無瑕了。鑽石的淨度越高，數量就會越少，價格也更昂貴。