Yes. I don't think it's necessary to buy the bigger one.
有哇。我认为没必要买较大的机子。
It's about20,000 kilometres.
大约有20,000公里。
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.