题目内容：
根据下列选项，回答题。1is the business of prividing employment for a vessel and arranging suitable sea transport for a variety of commodities．2 chartering means that the ship owner promises to carry on board a specific ship a particular cargo for a single voyage from one or more loading ports to one or more discharging ports．Under a3 charter the ship owner retains the operational control of the vessel and is responsible for all the operating expenses such as port charges，bunkers，taxes，and so on．4 chartering means that the ship owner provides a designated manned ship to the charterer，and the charterer employs the ship for a specific period against payment of hire． 5 chartering ordinarily means that vessel is put at the disposal of the charterer for a long period of employment without any crew．
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