父亲不慈爱,子女就不会孝顺;兄长不友爱,弟弟就不会恭敬;丈夫不仁义,妻子就不会顺从。
The laws of physics are the language of the universe, and through them, we can begin to comprehend the vastness and complexity of all that exists.
如果我们为之奋斗,煤炭的未来是光明的。