Choosing a line width that is too small results in the lines not being visible at all, and a line width too large renders the output useless because the lines cover all geometries.

线宽太小会导致线条完全不可见，太大则会导致显示没有用的输出，因为线条覆盖了所有的几何图形。

youdao

Many tech journalists throw around this idea of the iPad being a consumption only device and that creating on it is difficult and/or useless.

众多科技作家认为，iPad仅仅是消费设备，用它进行创作很难，或者根本没有作用。

youdao

Supporters obviously concluded that abusing England footballers for being useless is tantamount to being angry with water for being wet.

球迷们显然得出结论，辱骂英格兰球员“无用”等同于因为“水是湿的”而对水生气。

youdao

But Microsoft is facing major opposition to its plan to make privacy the default setting for Internet Explorers, and that opposition from the advertising industry might mean that the setting winds up being completely useless.

FORBES: Microsoft Is Losing In A Bitter Battle To Protect Internet Users' Privacy

The developers of NOLA Parks, which is currently being used by The Mayors Office, took static, useless data that was provided to them by the City of New Orleans and created an app that identifies the locations and amenities of over 200 recreational parks around the city.

FORBES: New Orleans Sets Precedent On How Tech Should Be Integrated Into Future Super Bowls

And not being especially fond of perfectly-worded, useless questions, we advocate for an end to that sort of data.

FORBES: A Story About Occupying Digital Space. Or an Answer to 'How Should I Be Measuring Digital and Social Media Anyhow?'