标题和概述：支持超文本导航和信息线索。

Headlines and Summaries: Support Hypertext Navigation and Information scent.

youdao

研究人员除了知道那人正在死去之外几乎没有任何信息线索。

Researchers were faced with almost no data other than the fact that people were dying.

youdao

但是，即使在只有极少量信息线索的情况下，一个假设可能就是通往真理的宝贵向导。

But even in situations where there is only a small amount of data available, a hypothesis can be an invaluable director toward the truth.

youdao

But the take away for now is that if you don't clue -lcs50, -- you get some mention -- some error message -- about "undefined symbol," and that should be your clue that, "Oh it's undefined in that I haven't told the compiler that I want to link in these zeros and ones."

但现在如果你删除“-lcs50“,你们会得到一些提示--一些错误信息-,像“未定义的符号“，这可以为你提过线索，“这个没有被定义，我没有告诉编译器,把想把这个与“1“和“0“建立连接，“

哈佛公开课 - 计算机科学课程节选