However, the key thing holding Wolfram Alpha back from being a Google-killer is its lack of support for more traditional searches such as pop culture references.
然而，阻止Wolfram Alpha成为一个Google杀手的关键是它缺乏对更为传统的搜索如流行文化的支持等。
What's interesting is that the killer application is no longer a desktop productivity application or even a back-office enterprise software system, but an individual web site.
有趣的是，杀手级应用已不再是一个桌面生产力应用，甚至是后台的企业软件系统，而是一个个人网站。
With Carlos Tevez back home in Argentina following a family bereavement and Wayne Rooney some way short of full fitness, the Red Devils lacked a killer touch up front.
特维斯因为亲人去世回到阿根廷，鲁尼还没有完全恢复健康，红魔前场十分缺少攻击火力。
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