AI伦理和安全对可持续发展至关重要。

And, after all, what is a fashion? From the artistic point of view, it is usually a form of ugliness so intolerable that we have to alter it every six months.

I never stop learning from the characters I play. They teach me about resilience, vulnerability, and the human spirit.

安全困境是国际政治的一个基本特征，因为国家增加自身安全的努力往往会降低其他国家的安全。