All these involved loosing and wining 50:50 chance.

1. Betting: You predict who is gonna win or lose the game and in the end either you win or lose.
2. Gambling: you play dice or roll dice or whatever and either you win or lose.
3. Trading: you predict the market value, you predict either dollar higher than europe in a certain time or period, and either you lose or win

Betting and gambling are condemned and even banned by some country and trading is allowed. Please i want to know the difference and why trading is highly recognise than others.

forgive me for my bad english; if there is any.