9月7日，苹果公司首席运营官杰夫•威廉姆斯在旧金山举行的新品发布会上介绍第二代苹果手表。 [新华网]
Jeff Williams, Apple's chief operating officer, introduces the new Apple Watch Series 2 during an Apple special event in San Francisco, the United States, Sept. 7, 2016. [Photo/Xinhua]