CNN News:美国政府报告打脸特朗普 称气候变化将致千亿美元经济损失

重点讲解：
1. a number of 若干；许多；
The research begs a number of questions.
研究绕过了一些问题。
2. as a result of 由于…的结果；
Millions of people are threatened with starvation as a result of drought and poor harvests.
几百万人因干旱和歉收而受到饥饿的威胁。
3. contribute to 促成；促使；是导致…的原因之一；
Medical negligence was said to have contributed to her death.
据说医务人员的玩忽职守是她死亡的原因之一。
4. be similar to 相像的；相仿的；类似的；
My teaching style is similar to that of most other teachers.
我的教学风格和多数教师相似。