谢谢你找到答案，但是还是没看明白这一段

The GPO reduces the amount of your Social Security spouse's, widow's, or widower's benefits by two-thirds of the amount of your government pension. For example, if you receive a monthly civil service pension of $600, two-thirds of that, or $400, must be used to offset your Social Security spouse's, widow's, or widower's benefits. If you are eligible for a $500 spouse's benefit, you will receive $100 per month from Social Security ($500 - $400 = $100).

到底先生得多少，太太得多少