In this case, having to then let go of the book after holding it might generate a subtle sense of loss, and motivate us to make the purchase even more.
在这种情况下，拿着书后不得不放手，可能会产生一种微妙的失落感，并促使我们购买更多。
2
They recommend starting early in the project lifecycle and holding a use case workshop with a diverse group of participants that includes a variety of skills and knowledge.