History says that washington 's is an unwise and ultimately fruitless strategy .
历史告诉我们,美国政府的策略有欠明智,并且将无果而终。
The photos themselves are from october 2007 so I 'm unsure whether they held up for much longer and a search on google maps proved fruitless .
但这些是2007年10月的照片,所以我不确定它们是否坚持了更久,用google地图搜索也没有结果。
Infertile couples may be spared years of fruitless treatment with the discovery that the human egg can read the father 's genetic key and screen out failures .
Thousands of infertile couples could be spared the pain , anguish and expense of fruitless ivf treatments , thanks to the discovery of a lock-and-key mechanism between sperm and egg cells .