回複：謝謝各位建議.不過,現在能有幫助的隻有IRA了,不知道哪裏可以買

You can set up different kinds of IRAs with a variety of organizations. You can set up an IRA at a bank or other financial institution or with a mutual fund or life insurance company. You can also set up an IRA through your stockbroker. Any IRA must meet Internal Revenue Code requirements. The requirements for the various arrangements are discussed below.....

http://www.irs.gov/publications/p590/ch01.html#d0e1147