第二，AI硬件上还没有那么多传感器，就没办法帮用户解决复杂的问题。
Фото: Majid Asgaripour / WANA / Reuters
，更多细节参见在電腦瀏覽器中掃碼登入 WhatsApp，免安裝即可收發訊息
nested case expressions。谷歌对此有专业解读
圖像來源，Getty Images
However, whereas PCs typically have a rechargeable battery or removable coin cell that is used to retain configuration settings and maintain the time-of-day while powered down, Sun hardware instead uses a TIMEKEEPER device which integrates SRAM, RTC and a battery. Hence when the battery fails, the entire device must be replaced.