当然，12万亿美元只相当于美国经济规模的2/3，但今年增加的这1万亿美元已经高过了世界前15大经济体的合共增长量。
To be sure, $12 trillion is just two-thirds the size of the US economy; but the $1 trillion added this year is more than all but the top 15 economies in the world.