The beauty of the OLEV isn't just that it's electric, but that, because it charges while it's operating, it rarely needs long periods to recharge or huge batteries to store large quantities of power.
美妙之处并非只在于olev是电力驱动，而是因为他在运行时就自行充电，他几乎不需要长时间的充电或者使用大容量电池以储存大量的电能。
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