Throughout this book, we will use the symbol scala-home to refer to the "root" directory of your scala installation.

在本书中，我们会使用符号scala - home来指定scala安装路径的根目录。

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The name for the symbol used for taking the ROOT of a number, which looks like this: (...).

用于数的开根的符号的名称，形如(图形根号)。

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Between children and their parents, is have a straight line connecting to the root, and that is a symbol of the care line.

孩子和父母之间，是有一要直线连着的，那是一根象征关怀的线。

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