0. 10 1, 1.0 1,10/:Celebrate the whole world;

0.66, 6.6, 6.66, 66.6, 66.66: smooth and smooth;

1.78, 17.8, 178: sent together;

1.88, 18.8, 188: Go straight;

1.99, 19.99, 199.9, 1999: Longevity 100. 1: One in a hundred;

3.60,360,36.0: Miss you.

Extended data:

Friendship red envelope

168-means smooth and prosperous, both affordable and attractive.

188-that is, on the basis of "168", plus the "188" twenty-dollar bill.

288- indicates sending.

366-means life is smooth.

666-means smooth sailing, smooth sailing.

800-means getting rich and going smoothly.

999- means friendship lasts forever.