optimistic

/ˌɑptɪˈmɪstɪk/

expecting the best in this best of all possible worlds

中文释义：乐观的；积极的

Despite the challenges, she remains optimistic about the future of renewable energy.

尽管面临挑战，她仍然对可再生能源的未来持乐观态度。

An optimistic attitude can help people overcome difficulties more easily.

乐观的态度可以帮助人们更容易地克服困难。