We all have "two flying wings" in our hearts as well, but we often seem not to notice them and stay where we feel safe and comfortable.

我们的心中也都有“两只飞翔的翅膀”，但我们似乎经常没有留意到它们，而是停留在我们感到安全和舒适的地方。

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By and large flying is a particularly safe way to travel, but more so in some countries than in others (see chart 7).

总的来说，乘飞机是非常安全的旅行方式，但在一些国家要比其它国家更为安全(见表7)。

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We tried to assure the nervous old lady that flying was safe.

我们尽力说服那位紧张的老太太，使她相信乘飞机是安全的。

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He says the tension it relieves by allowing pilots an opt-out of flying in poor conditions makes it a safe alternative to other single-engine planes.

FORBES: The Flying Car Comes To The New York Auto Show

As the battery explosions earlier this month demonstrate, the idea that these computerized controls would make the lithium-ion batteries safe for a plane flying 40, 000 feet above sea level filled with passengers is inadequate.

FORBES: MIT Professor: Battery Fix Could Ground 787 Until 2014

It's still too early to tell what level of success the fund might reach, but it's safe to say that the days of high-flying returns of the late 1990s are over.

FORBES: A Punt In Search Of Returns