To be more accurate, you should be careful to use object member only when necessary.
更确切地说，你应当小心地，只在必要情况下使用对象成员。
On the Web site a member only visible to the operations staff would be highlighted with a color.
在Web站点上，以一种颜色突出显示只有操作人员能够看到的成员。
On the Web site a member only visible to the operations staff would be highlighted with a color.
在Web站点上，以一种颜色突出显示只有操作人员能够看到的成员。
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