——认为最重要的就是“忠诚”

小王子穿过沙漠。他只见过一朵花，一个有着三枚花瓣的花朵，一朵很不起眼的小花……

Sustainability in agriculture isn't an option—it's a necessity for survival.

The secondary rules are those that provide for the creation, alteration, and extinction of primary rules.

嫉妒的精神可以摧毁；它永远无法建设。