研究表明，阅读方便最佳的行长度为每行50或70字母。

Research has shown that the optimum line length for reading ease is between 50 or 70 characters per line.

youdao

研究表明，阅读方便最佳的行长度为每行50或70字母。

Research has shown that the optimum line length for reading ease is between 50 or 70 characters per line.

youdao