重点讲解：
1. up to 高达；多达；
例句：Over the next 22 years, it says, the region will need up to nine trillion dollars in new infrastructure to meet its energy needs.
报告说，在未来22年里，亚太地区需要花费9万亿美元用于改善基础设施，以满足能源需求0q3Z.RxZ|8F36[。
2. to be honest 老实说；说实在的；
例句：To be honest, he is too aggressive.
平心而论，他太倔强了#9;k!tQXp*oCX*KEg9j。
3. out of nowhere 突然(发生)；一下子(冒出来)；
例句：I was in the garden, and he appeared out of nowhere.
我正在花园里，他不知从哪里就冒出来了4rzj[DzORu。