你微微地笑着,“不同我说什么话。而我觉得,为了这个,我已等待得久了。
疲惫不是身体的罢工,而是心理能量的收支失衡。
We are all prisoners of our own memories.
Collaboration across disciplines is essential for solving the most challenging problems in science.
Strengthen international cooperation to promote the improvement of technology and management in the coal industry.