[countable] an act of risking money on an investment风险投资◆ The company is making a big bet on e-commerce.这家公司在电子商务方面下了一大笔赌注。◆Investors have placed their bets on (= invested all their money in) the companies they think will recover quickest.投资者将所有的资金都投放在他们认为复苏得最快的公司里。◆Their bet has paid off (= been successful). 他们赌赢了。a good/safe/sure/fair bet an investment that is likely to be successful; sth that is likely to happen or be suitable有望成功的投资；有可能发生的事；可能合适的东西◆Property is always a safe bet.房地产永远是有望成功的投资。◆It's a sure bet that a piece of equipment will break down when you need it most.一台设备在你最需要它的时候便出现故障，这种事几乎是肯定的。  ➡  idiom at hedge verb