美国没有一个大型游艇代码或类似的标准。
S. does not have a Large Yacht Code or similar standard. Regulations for U.
据说醉心于这种航行工具的金融家约翰•皮尔庞特•摩根曾经说过，如果你要问一个大型游艇得花多少钱，你可能负担不起它。
As John Pierpont Morgan, a financier who was keen on such craft, is said to have remarked, if you have to ask how much a large yacht costs you cannot afford one.
尽管如此，有公司认为现在已能生产出足够满足一些大型器械如拖轮，码头起重机，超级游艇等需要的强劲的锂离子电池。
Despite this, one company thinks lithium-ion batteries can now be made robust enough to power some really big, demanding kit-such as tugboats, dockside cranes and super-yachts.
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