It's tempting to shrug and wonder whether the legacy of new green initiatives will be as lackluster as the "green Olympics" - or to feel blue at the lack of promised "blue skies."

你不由得耸耸肩，心想新的绿色倡导会不会像“绿色奥运”一样雷声大雨点小——或由于没有实现允诺过的“蓝天”而让人心头一片灰蒙蒙。

youdao

I I wonder if our children will still be able to breathe the clean air, drink clean water and see the blue sky.

不知道我们的孩子们是否还能呼吸清洁的空气，喝到干净的水，看到蓝色的天空。

youdao

No wonder I am blue... Oh listen to my pleading.

歌词大意：难怪我觉得蓝色…哦，听听我的倾诉。

youdao

Lakes are the colour of turquoise, so blue that you have to wonder if there is something unnatural behind their hue.

BBC: The natural wonders of Banff and Jasper National Parks

Back in 2010, Ninteno's waggle-riffic wonder would occasionally pulsate with a charming blue glow: update me, it said, I have hackers to fight.

ENGADGET: Wii Homebrew channel sneaks onto Wii U, sticks with what it knows

No wonder that equities, even those of blue-chip companies with solid balance sheets and pretty good business prospects, are taking a hit amid this wave of uncertainty.

FORBES: Here Come the Currency Battles