我想投资股票,在commsec上看到这句话,不知道什么意思?选Internet Preferred每次交易只要19.95。但是有下面的限定条件,这些是什么意思呢? To be eligible for Internet Preferred, you must be CHESS sponsored by CommSec and settle your trades through a Commonwealth Direct Investment Account (CDIA) or a CommSec or Colonial Margin Loan |