This new dictionary is very useful [helpful] to me.

对我来说这本新词典很顶事。

《新英汉大辞典》

Metadata for the cached items is useful, but it is also helpful to get metadata for each cache region.

缓存项的元数据很有用，但获取各个缓存区域的元数据也很有帮助。

youdao

Gossip may also simply be a way to gather useful and helpful information about our social worlds without direct and embarrassing inquiry.

闲话同样可能只是一种搜集社会世界中有用信息的方式，这无需进行直白、尴尬的询问。

youdao

After a few years, I added in monthly data, which can be very useful for determining the major trend and can be especially helpful for longer-term investors.

FORBES: The Power of Volume