Some of these variables will represent a continuous range of behavior (for instance, from a computer novice to a computer expert), and a few will represent multiple discrete choices (for example, uses a digital camera versus uses a film camera).
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美
- 有些變量可能會(huì )代表一個(gè)連續范圍內的行為（比如從計算機新手到老手），有些變量可能會(huì )代表一些多個(gè)離散的選擇（比如使用數碼相機和使用膠卷相機）。
