玩法1：
计时收费:每小时$25.00 

最低收费一小时，之后每15分钟计费. （正式开始制作的时候才开始计时喔，找图或前期的准备工作不作计时）

Option 1:
Time-Based Pricing – $25/hour

Minimum 1 hour. Then billed every 15 minutes.(The timer starts only when you begin making your project – browsing for designs or preparing materials doesn’t count.)