您可以免费使用，无任何功能限制和时间限制。
You can use free of charge, without any functional restrictions and time limits.
免费使用，无任何限制。
完全正确，这对于一些使用其它编程语言（特别指C语言），以及习惯于访问任何部分而无任何限制的编程人员来说尤为如此。
This is exactly right, even though it's often counterintuitive for people who program in other languages (especially C) and are used to accessing everything without restriction.
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