1, 1.68, 16.8, 168: all the way.

2. 1.78, 17.8, 178: sent by delegates.

3, 1.88, 18.8, 188: It means that it has been sent.

4, 0.66, 6.6, 6.66, 66.6, 66.66: It means smooth and smooth.

5, 0.88, 8.8, 8.88, 88.8, 88.88: stands for development.

6, 0.99, 9.9, 9.99, 99.9, 99.99: for everlasting.

7, 5.20 yuan, 520 yuan: I love you.

8. 13. 14 yuan, 13 1.4 yuan, 13 14 yuan: for a lifetime.

9,9.99 yuan, 99.99 yuan: for eternity.

10, 7.77 yuan, 77.77 yuan: used for kissing.