Will all ugly ducklings turn into white swans?
Judging from the probability, one percent of the ugly duckling will metamorphose, no, one in a thousand, maybe, one in ten thousand, maybe...
When Dong Qing was a child, he was an ugly duckling. The little duck loved to dream, and he grew up.
Her mother, who studies genetics, told her that as life goes on, the ugly duckling will at best become a big ugly duck.