拉皮塔人几乎没有留下任何关于他们自己的宝贵线索，但艾菲特岛极大地增加了可供研究人员使用的数据。
The Lapita left precious few clues about themselves, but Efate expands the volume of data available to researchers dramatically.
但是，即使在只有极少量信息线索的情况下，一个假设可能就是通往真理的宝贵向导。
But even in situations where there is only a small amount of data available, a hypothesis can be an invaluable director toward the truth.
而且两个城市都为观察两个城市的房地产是否已触底提供了宝贵的线索。
And both provide invaluable clues for those looking to decipher whether their own markets have seen the worst of the crisis.
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