So far all efforts to find a cure have been unsuccessful but the German discovery has raised hopes in some quarters.
到目前为止，所有寻找治愈方法的努力都以失败而告终，但是德国的这项发现在某些方面带来了希望。
Since last year, the company has been unable to sell its products, but it was the recent unsuccessful foreign trade deal that hastened its bankruptcy.
自去年以来，这家公司的产品就一直滞销，但加速其倒闭的却是最近的一笔不成功的外贸生意。
Since last year , the company has been unable to sell its products , but it was the recent unsuccessful foreign trade deal that has tened its bankruptcy.
自去年以来，这家公司的产品就一直滞销，但加速其倒闭的却是最近的一笔不成功的外贸生意。
The continued development of Arsenal's youngsters has been a bright spot in an unsuccessful season for the Gunners, but Wenger has told the club's fans that greater things await his precocious squad.
这个对于枪手们来说不太顺利的赛季中一大亮点是阿森纳小将们的持续进步，但是温格告诉球迷们更大惊喜还在等着这支早熟的队伍。
The continued development of Arsenal's youngsters has been a bright spot in an unsuccessful season for the Gunners, but Wenger has told the club's fans that greater things await his precocious squad.
这个对于枪手们来说不太顺利的赛季中一大亮点是阿森纳小将们的持续进步，但是温格告诉球迷们更大惊喜还在等着这支早熟的队伍。
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