短语讲解：

1. The company is based in California and specializes in selling objects from or related to the entertainment industry.

relate to 涉及; 同…有…关系
例句：All these questions relate to philosophy.
这些问题都跟哲学有关。

2. In it, he discussed the possibility of the band breaking up.

break up 结束; （使） 破碎; 放假
例句：In spring the ice-floes break up.
春天浮冰碎裂了。

3. His letter is expected to sell for between $20,000 and $30,000.

be expected to 被期待做某事; 有望做某事; 期许
例句：I shall be expected to shell out the money for the party.
我将要支付这个集会的费用。