使用微信扫码将网页分享到微信 “我的孩子总喜欢缠着我，问我离圣诞节还有几天。通常这并没有那么容易能算出来，但现在你所要做的仅仅是询问你的手机。” 四个月多前，在位于加州库比蒂诺（Cupertino）的苹果公司（Apple Inc.）总部，公司的高级副总裁 Scott ...

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On Wednesday, February 8th, Wolfram Alpha will be adding a new, “Pro” option to its already existing services. Priced at a very reasonable $4.99 a month ($2.99 for students), the new services includes ...