人生没有白走的路，每一步都算数。
酸和碱不是绝对的，而是相对的。
When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.
The evidence for evolution is overwhelming.
我不是作家，我是战地记者。
Challenges in the oil sector are opportunities to innovate and grow.