今天浏览shiti merchant offer给我逗乐了：看到viator有200-20的offer有以下两种实质完全相同，但是描述不同的：
1）Earn $20 back on a purchase of $200 or more.
Earn $20 back when you spend $200 or more on Viator. Viator is the world leader in offering thousands of amazing tours, things to do, skip the line tickets and travel experiences around the globe. Search and book unforgettable things to do - anytime, anywhere. From must-do moments to who-knew discoveries, see the familiar in a new way, or the unknown for the first time! Spend less time searching, and more time making memories. Book your next experience and earn $20 back when you spend $200.
2）Earn 10% back on a purchase of $200 or more.
Earn 10% back when you spend $200 with viator.com. Viator is the world leader in offering thousands of amazing tours, things to do, skip the line tickets and travel experiences around the globe. Book unforgettable things to do - anytime, anywhere. From must-do moments to who-knew discoveries, see the familiar in a new way, or the unknown for the first time! Spend less time searching, and more time making memories. Book your next experience and earn 10% back (capped at $20).
我看不懂但我大受震撼 
是提需求的人提了两个内容一样描述不同的需求吗？那么为什么要同意需求描述两次
还是shiti内部有根据offer内容自动生成描述的mechanism？那这也太强了 （shit宗强者恐怖如斯）