The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.
"Integrity is the foundation of all successful business relationships."
现在已经清楚，杂种形成的种子具有两个分化性状中的一个或另一个。
A friend is someone who knows all about you and still loves you.