Blue sky意思

"Blue sky" 這個短語在英語中通常有以下幾個意思：

1. 晴朗的天空：指沒有雲或雲很少的藍天。 例句：The blue sky above us was so clear that we could see the mountains in the distance.

2. 無限制的想像或計畫：指不受任何限制或約束的創意或計畫。 例句：The company's new project is a real blue sky idea that could change the industry.

3. 股市用語：在股市中，"blue sky" 有時用來形容股價上漲，尤其是指沒有實際業績支撐的股價上漲。 例句：Investors are cautious about the stock's recent blue sky run, fearing it may be a bubble.

4. 法律用語：在法律中，"blue sky laws" 是指州一級的證券法規，旨在保護投資者免受欺詐。 例句：The company made sure its financial disclosures complied with all federal and state blue sky laws.

5. 天氣預報用語：在天氣預報中，"blue sky" 可以用來指預計的晴朗天氣。 例句：The weather report predicts blue sky and sunshine for the weekend.

請根據上下文判斷具體是哪個意思。