The key to economic development is not just resources or technology, but the right institutions and policies.
经济发展的关键不仅仅是资源或技术，而是正确的制度和政策。
永远不要低估合作的力量——伟大的事情很少是独自完成的。
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.