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.

The most hateful torment for men is to have knowledge of everything but power over nothing.

可持续性不是一个流行词，而是长期成功的商业必要条件。