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If you lose or forget to bring a cable，adapter or charger，check with your hotel. Most hotels now have a drawer full of cables，adapters and chargers others have left behind，and probably have the one you are missing. You can often claim it after borrowing it.

釋義：他強調(diào)空氣密度對于物質(zhì)形態(tài)的決定性作用，認(rèn)為物質(zhì)的形態(tài)和性質(zhì)都受到空氣密度的影響。

當(dāng)你成為中央銀行時，你必須考慮那些不可想象的事情。

The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.