这样，就非常容易跟上iPhone生态圈里的步调。
To that end, it's extremely easy to keep track of what's going on in the iPhone ecosystem.
你在学校里应付尚未成熟的青春期孩子，你就非常容易受到这些伤害。
When you are in a school dealing with immature, adolescent children you are in a very fragile position that can be easily undermined by this.
解释Psyco相对比较困难，但是使用Psyco就非常容易了。
Explaining Psyco is relatively difficult, but using Psyco is far easier.
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