2020年8月20日
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摘要： Over the past decade, thousands of patents have been granted for what are called business methods. Amazon.com received one for its “one-click” online 阅读全文
posted @ 2020-08-20 22:30 $KAMISAMALZ 阅读(209) 评论(0) 推荐(0)
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摘要： Of all the changes that have taken place in English-language newspapers during the past quarter-century, perhaps the most far-reaching has been the in 阅读全文
posted @ 2020-08-20 22:27 $KAMISAMALZ 阅读(197) 评论(0) 推荐(0)