对...有用的

I always say to myself that I should be a useful man to the world.

我常常想我应该做一个对世界有用的人。

It is one of the few forms of psychotherapy that has been proven to be helpful for bipolar disorder.

这是心理治疗形式中极少证实对双相患者有用的疗法之一。

Said the blacksmith."Who knows, one day, it may be of use to you."

铁匠说，"说不准，有一天它会对你有用的。"

I was used to being bossed around by women, so we got along well, and I think I was useful to them.

由于我已经习惯了被女人指挥来指挥去，我们相处融洽。我想自己对她们还是有用的。

New types of buildable structures have been added to the game, which so far seem quite useful, as opposed to being empty additions.

新型可建建筑。非常有用。某些建筑可以对自己的军队进行补给。

Michael: Fine, I will teach you some useful business English that will help you.

迈克尔：好吧，我会教你一些有用的商务英语，这会对你有帮助。

The infrared remote controller is a cheap, small, simple, reliable and effective product. It can effectively resist electromagnetic interference and ensure safe operation of the system. Using remote technology can reduce manipulative difficulty during soil bin testing and realize single operation of the whole system. Practical application many times demonstrated that the infrared remote controller can work reliably and improve work efficiency considerably.Besides control the movement of tester, the soil bin tester driving control system can adjust the tester speed by rule and line, which was impossible to former test equipments. The range can be adjusted from -1.45m/s to 1.45m/s, the positive and minus sign denotes the direction of tester running.

土槽台车动力控制系统的控制参数均通过人机交互界面输入；系统能够实现对台车行驶速度、位移和时间的实时采集、显示和存储功能，并设有对数据库的操作功能，方便试验人员对数据的查询、修改、删除和保存；试验过程中系统为试验人员提供了台车速度曲线，并能实时动态显示，用来监测台车的运行状况；为了确保试验过程中试验设备和人员的安全，系统增加了控制台车行驶位移和时间的功能；系统使用的防脉冲干扰平均值法处理采集的数据，剔除奇异项，减少了干扰在有用信号中的比重，并能直接显示出所采集数据的均值和方差，节省了处理数据所需的大量时间，提高了工作效率。

Camphor ball no effect on the human body, if so, would also be useful, such as refreshing and so on.

答：樟脑球不会对人体产生影响，如果有的话，也是有用的，如清新等。

A card index is very useful in the filing system.

索引卡片对归档是非常有用的。

Wil the Bark Control Collar work for my dog?

PetSafe止吠项圈对我的狗狗是否有用？

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。