It was the beginning of the Baby Boom, an optimistic time.

婴儿潮随之出现，那是一个乐观主义的时代。

youdao

You will feel more buoyant and optimistic about the future than you have for a long time.

对于未来，你会比很久以来所感受到的更加快活、乐观。

《柯林斯英汉双解大词典》

Focus on spending time with the optimistic people in your life and you might just become one of them.

集中时间和乐观的人在一起，你会成为他们中的一员。

youdao

The father of captive Israeli soldier Gilad Shalit is not optimistic about his son's release, despite a videotape published on Friday showing for the first time that he is alive and well.

VOA: standard.2009.10.03

But, after a week in which information has been slow in coming and proved overly-optimistic time and time again, the public now greets such assertions with skepticism.

FORBES: Radiation Found in Food and Water in Japan [Updated]

That looked optimistic at the time of the Dayton accords which settled the Bosnian war in 1995.

ECONOMIST: Repatriating refugees

Still, some experts remain optimistic that over time, many of these would-be investors will succeed and others will follow.

WSJ: Consumers in India Are an M&A Target