1. Then, one day I realized I could understand just about everything I came across, and most importantly, I could "say" anything I wanted to in English.
    后来有一天我意识到我能够理解碰到的各种问题，更重要的是，我能用英语表达我想说的东西。

2. His huge fame gave him the freedom — and, more importantly, the money — to be his own master.
    他的巨大名声为他带来了自由，更重要的是带来了财富，他因此得以成为自己的主人。

3. More importantly, perhaps, education teaches us to see the connections between things, as well as to see beyond our immediate needs.
    也许更重要的是,教育使我们视野开阔，超越了眼前的需求，并使我们看到了事物间的联系。