几年前我们就开始开发这款激光雷达了，开发周期很长很难，直到今天才开始上市，用了好几年的时间。
It is highly uncertain how long the volatility in energy prices will last. But if sustained, economists are already speculating that the chancellor will, at the least, struggle to end the freeze on fuel duty come the next Budget.
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Josephina Finch, from Canterbury, said a botched surgery in Spain left a "gaping wound" on her posterior