"This re-emphasizes the fragility of our vaccine supply," says Dr. Martin Myers of the National Network for Immunization Information, "and the lack of redundancy in our system."

“这再次凸显出我们疫苗供应的脆弱性，”全国免疫信息网的马丁·迈尔斯医生说，“此外，我们也没有必要的补救机制。”

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And it is easy for us to see the fragility of our worlds.

而且容易看到我们个人的脆弱性。

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Our eyes are wide open to the realities, the formidable challenges, the inevitable threats, and the fragility of progress.

我们已睁开双眼，看到了事实、令人生畏的挑战、不可避免的威胁和不够稳固的进展。

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In perilous times, the loss of works of art is a reminder of our fragility.

FORBES: After Sandy: Rebuilding the New York Art World

This is not a critique of government or the private sector so much as it is a critique of the fragility of our system and its institutions, and the power of symbols to combat this fragility.

FORBES: 'The Dark Knight Rises' Is Not About Occupy Wall Street

Hurricane Sandy brought our dependence on electricity to the forefront, and the tragedy in New York and New Jersey also exposed the fragility of our power grid.

FORBES: Hurricane Sandy Demonstrates Need For Off Grid Hybrid Generators