At the Sports Shop,or,or 还是,或者 用于疑问句或否定句中表示选择关系例如:I dont have brothers or sisters.Do you like milk or tea?你喜欢这件T恤还是那件T恤?Do you like this T-shirt or that T-shirt.,Do you like this T-shirt or that T-shirt.,I like(want) this(that )one.Do you like these balls or those balls.I like (want) those (these).,100 yuan,$100 dollars,