How to understand, what mode is it and how to choose?

Eat too much and lose too little weight.

When buying lottery tickets, everyone thought that if 2 yuan could win 5 million, it would be worth it.

When more than 6.5438+million people are willing to spend 2 yuan to buy lottery tickets, if they win 500 yuan, they still earn 6.5438+0.5 million yuan. 6.5438+million people also think it is possible to spend 2 yuan next time, but the fact is that the probability of winning is 500% lower than the probability of being hit by a meteor while walking on the road.