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1·Blue-skying about the product, with just the ideas given here, in the roughly half-hour we had, we did some estimation for the project.

上面列出的这些只是我们在半个小时内得出一些构想，我们为这个项目做了一些估计。

(1)in the sky在空中

(1)blue sky蓝天

(1)night sky夜天

(1)stars in the sky天上繁星，天空的星星

(1)clear sky晴空；晴朗的天空

(1)fly in the sky在空中飞行