Nevertheless, we are soberly aware that China is still faced with daunting challenges and difficulties in ensuring environmental sustainability. 但是，我們清醒地認識到，確保環境可持續性，中國還面臨巨大的挑戰和困難。
They all truly want to make efforts to assist the herders to better manage their grassland and yak herd for both economic and environmental sustainability. 他們切實想努力在經濟和環境可持續性兩方面來幫助牧民們更好的管理他們的草場和氂牛。
