<p>➀ The U.S. government's recent suspension of 7nm and below process AI chip manufacturing by TSMC and Samsung has raised concerns about the implications and future impacts;</p><p>➁ The details of the sanctions, including the conditions for restriction and the potential for future policies, are discussed;</p><p>➂ The article analyzes the broader implications of the sanctions on the AI and GPU industries, as well as the potential impact on cloud computing and autonomous driving chips;</p><p>➃ The necessity for China to accelerate its 7nm development and the importance of a coordinated national effort are highlighted;</p><p>➄ The challenges and opportunities for China's semiconductor industry in the face of the global shift towards advanced technologies are discussed.</p>