Basking in the glow of the bright supergiant star Rigel, the Witch Head Nebula trails like a puff of smoke through the Eridanus constellation about 700 light years away.

在明亮的超巨星参宿七的照耀下，女巫头星云的尾部就像一阵烟，穿过700光年远的波江座。

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Just because we understand or have knowledge about an issue we must be careful because this can puff us up, or make us proud.

正因为我们了解并掌握某一事物的知识，我们更要警醒这知识很可能会叫我们自高自大。

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Over and over again Ms Reno has intimated that a deadline was about to be reached, only to let it vanish in a puff of smoke.

ECONOMIST: All about a boy

Pro Forma Puff Jobs 12.09.02 (Free registration required.) Investors are clamoring for straight talk about profits.

FORBES: Watching The Books