例句與造句

1. Discount brokers Charles Schwab Corp . and Jack White & Co . already offer proprietary computer software packages that allow individual investors to trade fund shares over PCs.
2. "' TeamViewer "'is a proprietary computer software package for remote control, desktop sharing, online meetings, web conferencing and file transfer between computers.
3. It's difficult to find proprietary computer software in a sentence. 用proprietary computer software造句挺難的