Unlicensed software, music, and videos are downloaded freely on the Internet, to the dismay of industry.

令娱乐工业沮丧的是，未经许可的软件、音乐和影像在互联网上无偿下载。

youdao

Unlicensed, pirated software is an ideal vector for a computer virus. Virus writers and hackers often use such software as the ideal " kick-start" for their virus distribution.

未经许可的盗版软件是计算机病毒的理想的携带者，制造病毒者以及黑客们经常利用这类软件作为病毒扩散的理想开端。

youdao

Software downloaded from the net is often unlicensed and unsupported, and may cause conflicts with existing software in use at your company.

从网上下载的软件经常是无使用授权的，而且不提供支持，可能与公司使用的其他软件发生冲突。

youdao

The commercial value of pirated software is the value of unlicensed software installed in a given year, as if it had been sold in the market.

FORBES: Business Software Alliance Gets It Wrong on Software Theft Again

Having calculated the total units of software installed, as well as the number of legitimate and unlicensed software units installed and the average price per software unit, IDC is able to calculate the commercial value of unlicensed software.

FORBES: Business Software Alliance Gets It Wrong on Software Theft Again

There is even a suggestion in some surveys that smaller businesses are tempted to use unlicensed security software, or, worse, that which they are offered for "free".

BBC: Viewpoint: Small firms prove to be weak link to hackers