（除非每次出海你都用一个拖车把它运过来再卸下来，或你自己拥有带港口水面的物业之外，基本上你总会面临停泊费或系泊费，船厂拖牵费，冬季仓储费等等）。出手买船之前先了解这些开销的数目。
(Unless you launch from a trailer every time you sail or own waterfront property, you'll face costs for docking or mooring, boatyard haulouts, winter storage, etc.) Learn the costs before you buy.
林道工程师早就知道如何估算运材道路的建筑费用，但在道路建成之前，却无法很好地预估道路建成之后的车辆运营费。
Forest engineers have long known how to estimate construction costs of a logging road, but operating costs of log trucks can not be well quantified before the road is built.
林道工程师早就知道如何估算运材道路的建筑费用，但在道路建成之前，却无法很好地预估道路建成之后的车辆运营费。
Forest engineers have long known how to estimate construction costs of a logging road, but operating costs of log trucks can not be well quantified before the road is built.
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