difference between digital currency and virtual currency, Knowledge graph

Unexpectedly, the Shanghai Composite Index fell 2% today.Some people's legs trembled with fear.Once the trend is formed, it is difficult to change.

Trends are not easy to form,Some people's legs trembled with fear.Unexpectedly, the Shanghai Composite Index fell 2% today.

Emotions can change at any time,Many people began to feel sad again.