Doctor Kovacs told the Associated Press that despite the results, the Apple Watch system is not perfect.
科瓦奇医生对美联社表示，不论研究结果如何，苹果手表系统" 并不完美" 。
VOA Special 2015年3月合集
The group has been closely watching the prison system in the American state of Illinois.
该组织一直在密切关注美国伊利诺伊州的监狱系统。
英语百科
Watch system
A watch system,watch schedule, or watch bill is a method of assigning regular periods of work duty aboard ships and some other areas of employment. A watch system allows the ship's crew to effectively operate the ship 24hours a day for the duration of long voyages or operations.