The Buds 4 Pro have a wide woofer that increases the effective speaker area by nearly 20 percent compared with the previous gen earbuds, Samsung said. They support 24-bit/96kHz audio.
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乔布斯之所以否决一台触控 Mac，其实是因为他想得会更深远一点：如果要为 Mac 增加触控屏，那必须要围绕全新的「触控」交互，大改整个 Mac 的界面，进一步发挥触屏的价值，要不然就不加。
政策端则打出“补贴激励+基建下沉”的组合拳。