課本上有個題目Those fans are on sale. ... 為什麼後面一定要用one，而不能用ones呢? ... jacqueswu:習慣用法~如果要買多台~I want to buy some. ... <看更多>

→ 這邊的one＝a pencil，也就是「不管哪支鉛筆都可以，只要是鉛筆就行了」的意思，所以沒有不是一個確定的對象。 2. I lost my pencil. I have to find ... ... <看更多>

I'm using Typescript, but there is no issue with it at the moment (and I'm . ... site and get a list of all the "tr" tags (mainly interested in the ones . ... <看更多>