The true value of a forest cannot be measured in board feet alone.
The ordinary becomes extraordinary when you look at it long enough.
数字技术的融合将彻底改变传统煤炭开采方式。
做事情，不能有伤害别人的坏念头；但要有警惕他人、防备他人的念头。这是在告诫与人交往思考不周的人。