Out biggest win has come from using the maybe concept for safe-composing multi-stage computations that can fail or bump into a nil along the way.

使用这一概念的最大好处是，能够安全构造出中间可能失败或碰到空值的多阶段计算。

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This is all very well, but the physicist comes along and shows that you never bump into anything: even when you run your head against a stone wall, you do not really touch it.

这当然不错。不过，一个物理学家会过来，他会向你展示，你永远也不会碰撞上任何东西，即使你用你的脑袋猛地撞上了一道石墙，你也不会真正地碰上它！

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Even though regulators and operators are learning to bump along together, the public appears to be trailing a long way behind.

尽管监管机构和运营商正共同探索，但公众的意识似乎远远落后。

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It's not the first bump along the road for this long-awaited new bus.

BBC: Week-long wait for London's new Routemaster bus

Social Security beneficiaries stand short-changed in their inflation adjusted increases along with tens of millions of hourly workers whose inflation-adjusted bump-ups are tied to the Consumer Price Index.

FORBES: Savvy Investors Survive Fed's Remorseless Abuse

But Williams has also hit a bump or two along the way, including a tight three-setter against Anabel Medina Garrigues in Madrid (Garrigues won the second set at love).

WSJ: Roland Garros: Return of the French Resistance