字体是设计者创造主题和赋予作品含义的很有用的素材。

Fonts are highly useful resources that allows the designer to create a theme and adds meaning to a design.

youdao

所以我不吃饭而是跑到我的邮箱去找一些对下午的课有用的素材。

So instead of eating I went to my mail box to find useful materials for the lessons.

youdao

甚至有经验的玩家，比如我可以发现他们自己的迷惑，大部分是因为精灵宝可梦没有教导环节，而不能去指导你在这个游戏中真正有用的素材是什么。

Heck, even experienced players such as myself can find themselves confused, mostly because pokemon GO does very little to teach you about what stuff actually does in the game.

youdao