我为我的身体感到非常自豪。
Sustainable forestry is not an option; it's an obligation.
The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind, pitiless indifference.
我们都是我们风景的产物;它决定了行为,甚至思想,取决于我们对它的反应程度。
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.