三、英譯中: With a fierce hold on the bedrock tool of our time, 21st-century man wraps his life around a most modern convenience—the smartphone—and begins his day, thumbs flying. These portals in the palm of our hands are passports to a nearly friction-free online world, where long lines are banished, where Bach and the Beatles wait to be summoned from our pockets, and where global positioning satellites descend from the cloud with maps.