手机的利润不是简单地由零售价减去出厂价，其中还包括很多其他成本，例如：研发、设计、市场营销和专利费，当然还有零售商收取的费用。

Not all of the difference is profit. There are many other costs, such as research, design, marketing and patent fees, as well as the retailer's own costs.

youdao

它由各元素融合而成，包括音乐、舞蹈、田径运动、编舞艺术，当然，还有服装。

It was the blend of all worlds - music, dance, athletics, choreography and, of course, costumes.

youdao

它由各元素融合而成，包括音乐、舞蹈、田径运动、编舞艺术，当然，还有服装。

It was the blend of all worlds - music, dance, athletics, choreography and, of course, costumes.

youdao