Ma'am, you can't choose what part you pay.

女士 你不能选择你支付哪部分。

In the price of sea-fish, for example, one part pays the labour of the fisherman, and the other the profits of the capital employed in the fishery.

例如，在海鱼的价格中， 一部分支付渔民的劳动， 另一部分支付渔业资本的利润。

Many times a sporting event – a game will be sponsored by a particular company, so everyone who goes the game knows that this game was, in part, paid for by that company.

很多时候， 一场体育赛事——一场比赛将由一家特定的公司赞助，所以每个参加比赛的人都知道这场比赛的部分费用是由那家公司支付的。