scratching_the_head_有道手机词典

1.The Institute spends a lot of time scratching its head about how to boost American productivity.
这家研究所花大量时间绞尽脑汁思考怎样推进美国的生产力。
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2.The claim that removing the legal cloud over foreclosure would help the housing market - in particular, that it would help support housing prices - leaves me scratching my head.
宣称驱散取消抵押品赎回权行为上空的法律乌云有助于房地产市场——尤其会支持房子的价格——的说法让我挠头不解。
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3.We've all had a few head-scratching moments with generics, but far and away the trickiest part of generics is wildcards.
对于泛型我们都经历过一些痛苦的回忆，但毫无疑问通配符是最棘手的部分。
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