蓝

wǒ xī wàng bìng xiāng xìn jīng guò bù xiè nǔ lì lán néng bǎo chí xià qù

我希望并相信，经过不懈努力，“APEC蓝”能保持下去。

I hope, and believe, that with persistent efforts, the APEC blue will be here to stay.