据估计，全球每天消费30亿杯咖啡。因其含有大量的咖啡因，常被人们饮用以醒神和提高工作效率。 其实早在公元15世纪以前，被阿拉伯人所垄断的咖啡就被医生和僧侣们承认具有提神醒脑、健胃、强身、止血等功效，咖啡也成为了当时的重要社交饮品。 大部分 ...

After announcing refreshes to their gaming and consumer products earlier this month, Dell has announced updates to their Precision, Latitude, and OptiPlex commercial PC portfolio. The Dell Precision ...