题目内容：

有哪位英语天才帮我解决一下这道题并翻译一下 谢谢了
In the event you want to sell some stocks that you hold, you 空 would exactly the same procedure. Now ,however, the broker would turn over to you the amount he had空 from the buyer, only with holding a small amount to空for his services. Thus, you have to pay the broker at the time he空the stock for you and again at the time he sells it for you .This isn’t at all ,though. You may also空to pay a tax each time you sell stock and, sometimes, when you buy it. 空,the owners of the place where the stock空 bought or sold may also charge a small fee for the privilege of using their facilities. It appears that if you plan to sell your stock at some gain to yourself, you had better空 until its value increases by空 a few dollars on each share, or you may find that what you thought was a空 for you is actually eaten up by the many fees you for to pay.
备选词 at is least pay received have wait in addition buys follow profit