And Quite Useful的意思|示意

We will learn later that there are cases where this substitution is allowed and it is quite useful (see Chapter 3, Rounding Out the Essentials).

我们会在后面学到，有些情况下这样的替代是被允许的，而且十分有用(参见《第3章- Scala本质》)。

Gazetteers and other spatial resources like GeoNames (see resources) can be quite useful in converting addresses to locations.

地名表和其他空间资源，比如GeoNames(参见参考资料)可能在将地址转换成位置时非常有用。

If you want to expand the mechanisms by which build status information is relayed to team members, the use of visual and sound devices can be quite useful, especially for co-located teams.

如果希望扩展将构建状态信息发布给团队成员的机制，那么使用视觉和声音设备可能很有帮助，对于集中工作的团队尤其如此。

In our short tests, the Suggestions turned out to be quite useful, and we assume that Gmail will learn to detect more groups over time.

经过短时间测试，我们发现提示建议很有用，估计Gmail会随着时间推移发现更多收件人群组。

Web apps and extensions can be quite useful and in the case today, enhance your productivity.

现在网页应用和扩展可以变得十分有用，尤其适用于用来提升您的工作效率。

For instance, trying to establish a habit of seeing things in a more positive and optimistic light can be quite useful.

比如说，试着从更加积极和乐观的方面看问题，这对你会有更大的帮助。