归

With the launch of my new fragrance Luscious Pink, I have the ultimate design challenge for you.

随着我的新香水Luscious Pink的发布，我为你们设计了一个比赛。

Providing first instils a sense of obligation in that person to help in return.

先给予的做法可以灌输一种责任感给那个人，使其回过头来帮助对方。