huán / bǎo / bù / néng / zhǐ / guà / zài / zuǐ / shang / hái / yào / luò / shí / dào / rì / cháng / shēng / huó / zhōng

环保不能只挂在嘴上，还要落实到日常生活中。

Environmental protection cannot just be talked about; it must be put into daily life.