Disney helps them recall by providing guests three ways to remember where they left their cars: by name, number, and color.
于是迪斯尼通过提供三种线索帮助他们的游客记起他们的停车位置：名称、数量和颜色。
2
You can differentiate between various groups of objects by tagging each group with a certain color rubber band, or a specific number of visible rubber bands.
用不同颜色或者标着特别数字的橡皮筋标记每一组，这样你就可以区分这些不同组的物品。
3
For example, you can get a count out of the database for the number of respondents who have stated that their favorite color (question 2) is red by using the following query shown in Listing 10.