With respect to dynamic string matching, classic algorithms are extended to provide the ability of inserting and deleting a keyword.

在动态串匹配方面，本文对经典的串匹配算法进行了扩展，提供动态增删关键词的能力。

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A connection string injection attack can occur when dynamic string concatenation is used to build connection strings that are based on user input.

当使用动态字符串串联根据用户输入生成连接字符串时，可能发生连接字符串注入式攻击。

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So, certainly the CS50 Library designed to be dynamic and, in fact, any time you call get string, we are, in fact, ; allocating a chunk of RAM but it's not coming from the stack; it's actually coming from this portion of memory called the heap.

所以，Cs50库是动态设计的，实际上，每次你调用GetSting时，我们分配一块内存，但它不是来自栈;,而是来自于叫做堆的,内存的一部分。

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