有帮助的

He's a useful person to know.

他是个应该结交的有帮助的。

Some practice in the deft use of words may well be ancillaryto the study of natural science.

使用文字的习对于自然科学的研究也是有帮助的。

Your advice was a great help to me.

你的建议对我有很大的帮助。

This helps to explain the unfortunate experience of a certain agriculturist from the U.S. assigned to duty in another country.

这对解释某位被分配到另一国家去工作的国农业学家的不幸遭遇是有帮助的。

Most fishes have unstriated rays along the anterior part of the dorsal and ventral edges (leading edges) of the caudal fin.

在大多数类的尾鳍，沿著背侧与腹侧缘的前部具有无条痕的鳍条。在一些中，例如鰕虎有条痕的与无条纹的软条数量比在鑑定上是有帮助的。

The meditative response in which he performs them gives him that vital loosening and equability of all his powers, that collectedness and presence of mind, without which no right work can be done.

虽然形式不是修行的目的，有时候他们对修行是很有帮助的。作者有一段对修行仪式的解释也非常到位。