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次要規則是那些規定主要規則的創建、修改和廢止的規則。

I have to be alone very often. I'd be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That's how I refuel.

The tools we use to detect exoplanets are constantly evolving, pushing the boundaries of what we thought was possible.

我們的任務是，當一個偉大的想法出現時，我們就能意識到它的存在，因為這種想法并不常見。

In the face of challenges, we must remain resilient and innovative.