The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
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此外，貿易關稅議題成為焦點。特朗普稱最高法院推翻其全球關稅「令人失望且不幸」，但強調關稅將以「經充分批准與測試的替代法律地位」維持。他宣稱已簽協議國家（如英國、印度、歐盟）無意退出，但未提及歐盟暫停夏季協議批准、印度推遲談判等情況。