商场如战场，防人之心不可无。  

Over the centuries the Indians developed sign language for communicating phenomena of interest. Programmers from different tribes (FORTRAN, LISP, ALGOL, SNOBOL, etc.) could use one that doesn't require them to carry a blackboard on their ponies.

培养感恩之心是提高生活满意度最可靠的方法之一。

可持续性不是一种趋势，而是负责任商业的基础。