A people without children would face a hopeless future; a country without trees would face a future with even less hope.

每当心情郁闷的时候，用手托腮就好，手臂会因为帮上忙而开心的。

The lyric poem exists to correct the excesses of the narrative.

技术是在满足全球能源需求的同时减少排放的关键因素。