huán jìng / wū rǎn / de / è guǒ / yǐ jīng / xiǎn xiàn / wǒ men / bì xū / cǎi qǔ / xíng dòng环境污染的恶果已经显现,我们必须采取行动。The evil consequences of environmental pollution have already emerged; we must take action.