Several of the employees in the computer department claim to be developing vision problems from having to stare at a video display terminal for about 7 hours a day.
计算机部门的几名员工声称，由于每天要盯着视频显示终端大约7个小时，他们的视力出现了问题。
2
Several of the employees in the computer department, for example, claim to be developing vision problems from having to stare at a video display terminal for about 7 hours a day.
例如，计算机部门的几名员工声称，由于每天要盯着视频显示终端大约7个小时，他们的视力出现了问题。
3
Whereas human are able to see more bright colours during the day, cats have the advantage when it comes to night vision.