Optimism isn't always justified.

乐观并不总是合理的。

youdao

Space planners have always justified today's flights as necessary rehearsals for tomorrow's--we can't live on Mars if we don't learn to live on the moon first.

空间设计师总是把今天的飞行看成对明天的演习。如果我们不首先学会在月球上生活，那么我们肯定也无法在火星上生存。

youdao

The business reasoning for this is almost always justified, as the different participating business partners currently have, and will continue to have, different information requirements.

其业务论据几乎总证明是合理的，因为共同参与的不同业务伙伴从现在到今后都会有不同的信息需求。

youdao

I'm not one who thinks that just because there's populist outrage, it's always justified.

CNN: Put Wall Street bonus money away for rainy day

"Senderos has had only a little match practice at club level, but he has always justified my confidence, " he said.

BBC: World Cup 2010: Teenager Xherdan Shaqiri in Swiss squad

Exits can always be justified by the entrances they permit.

ECONOMIST: Man overboard