This is useful for irrigation, but the high temperatures, low humidities, and different day lengths of the dry season, compared to the normal growing season, can present difficulties with some crops.

这对于灌溉是有用的，但是旱季的高温、低湿度和不同于正常生长季节的白昼长度，会给一些作物的生长带来困难。

youdao

This is useful for large indices.

该类对于大型索引非常有用。

youdao

So what of this is useful for business?

那么，这对于商业有什么意义呢？

youdao

This method is useful for making very detailed objects.

VOA: special.2009.09.09

So, whether or not the email is addressed specifically to you in like the two field or if maybe you were BCC'd or it's a big email list of which you're just part, that could signify that this is in fact useful for you.

所以，不管这个邮件是不是,单独发给你的,或者这个邮件有一个大的邮件列表,而你正在其中，其实这也暗示了,这个邮件对你是有用的。

哈佛公开课 - 计算机科学课程节选

Now as an aside, turns out you can do more interesting formatting with printf, and this is useful even for ASCII art purposes.

说点题外话，结果你可以用printf来打印其他的格式,这是非常有用的,甚至是为了ASCII艺术的目的。

哈佛公开课 - 计算机科学课程节选

This is useful for quickly returning the screen orientation to the desired state when the user is lying down.

ENGADGET: blogger-avatar

This is useful for companies with many branches, such as fitness clubs or a coffee chain, so that national coordinators can set up content scheduled to be released at certain times of the day and local representatives can quickly make any changes they want and then hit send.

FORBES: Connect

This is most useful for those people who have more than one Razer device, obviously.

FORBES: Macroing With The Razer DeathStalker Ultimate in Eve