Behavior is a function of the field at the time the behavior occurs.

石油行业不仅仅是关于资源开采；它关乎战略远见和技术创新。

Don't stop when you're tired. Stop when you're done.

You are not only responsible for what you say, but also for what you do not say.

身体单薄无力，就不要去背负重物，说话没有分量，就不要去规劝别人；没有钱就不要到人群中去，遭遇困难之际千万别去寻求亲戚的帮助。