To prevent off-line functions as standard equipment (ON / OFF), so that the effect of making stronger, more perfect.

防止脱线机能设为标准设备（ON/OFF），使缝制效果更结实，更完美。

youdao

Even when employees are given paid time off, workplace norms and expectations that pressure them to overwork often prevent them from taking it.

即使给员工带薪休假，职场规范和要求他们加班的期望往往也会阻止他们休假。

youdao

Perhaps the best way to prevent getting ripped off in business is to not try to get rich quickly.

VOA: special.2010.05.16

Nevertheless,off-field issues will prevent the tournament from becoming the international celebration that FIFA World Cups usually represent.

VOA: standard.2009.10.22

Specifically, the group of fans is alleging that the Defendants have violated U.S antitrust law by entering into a series of agreements that eliminate, restrict, and prevent off-field competition.

FORBES: Lawsuit Against MLB And NHL Asks: Is It Anti-Competitive To Divide Live Game Broadcasts Into Exclusive Territories?

South Korean forces have partnered with us to prevent piracy off the shores of Africa and stem the spread of weapons of mass destruction.

WHITEHOUSE: President Obama and President Lee Press Availability

There has also been controversy within the Gypsy community, with many complaining that police had blocked off some lay-bys to prevent them stopping off at non-designated areas.

BBC: Gypsies travel to Appleby 'Mecca' in Cumbria