The market's growing size is making some bankers wonder if phone credit should be traded on a publicexchange.
市场规模的不断增长促使一些银行家们开始考虑，手机存款能否在公开的交易所进行交易。
2
This means that only companies listed on a publicexchange have shares that can be bought and sold on the open market.
这意味着只有上市公司的股份才可以公开买卖。
3
The barriers of legal system are as follows: defect of related regulations, lack of tax revenue preferential, the limit to publicexchange and subject qualification admittance.