I am going to take a chance and gamble on this business proposal.
I’ll take a chance on this proposal.
可能性:chance, potential, possibility
提案書・企画書:proposal, business proposal
賭ける:gamble on, take a chance
「大きく伸びそうな企画だったので、承認しました。」
What made me approve this proposal was that I saw great potential for success.
失敗の可能性よりも成功する方を取る考え方、いいですね。