君为臣纲,父为子纲,夫为妻纲
君主是臣子的纲常,父亲是儿子的纲常,丈夫是妻子的纲常
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they think it will profit them.
以耗尽地球为代价的利润根本不是利润。