Have the right attitude, enjoy life, - and most importantly, be optimistic about the future.

抱着正确的态度，享受生活——而且最重要的，乐观的对待未来。

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If one is going to be optimistic about the future of malaria, one might also, with caution, be optimistic about the future of assessments of climate change.

如果一个人将对未来的疟疾持乐观态度，他(她)也可能乐观审慎地面对未来气候变化的评估。

youdao

If one is going to be optimistic about the future of malaria, one might also, with caution, be optimistic about the future of assessments of climate change.

如果一个人将对未来的疟疾持乐观态度，他(她)也可能乐观审慎地面对未来气候变化的评估。

youdao