短语讲解：

1. At Dixon’s, many items are selling at the same time.

at the same time 同时; 一起; 但是; 然而
例句：The machines all started up at the same time.
所有的机器都同时开动了。

2. You could always end up with something you know nothing about.

end up with <非正>以…结束
例句：We started with soup, and fruit to end up with.
我们开始时喝汤，最后吃水果。