例句與造句

1. Because such auctions typically require very large numbers of bidders to be profitable, virtually all instances of unique bid auctions are heavily dependent on the use of technology, in that they are either run solely using mobile technology ( e . g . bidders submit their bids via reverse charge text messages ) or they are on-line auction sites, or both.
2. It's difficult to find reverse charge text message in a sentence. 用reverse charge text message造句挺難的