The second line is wrong in the text.

正文中的第二行是错的。

The key is the stylesheet processing instruction (PI) in the second line.

关键是第二行中的样式表处理指令（PI）。

His maternal grandfather had been that Francisco Flores, of the Second Line-Infantry Division, who had died on the frontier of Buenos Aires.

他的外祖父是第二步兵师的弗朗西斯科·弗洛雷斯，死在布宜诺斯艾利斯的边境上。

The word "yellow" in the second line of Tony the Tow Truck, its denotation is that it is a certain color, the color that Tony's garage is painted.

《托尼拖车》第二行中的“黄色”一词，它的意思是它是一种特定的颜色，托尼的车库被漆成的颜色。

And now, to work on the second line.

现在，我要开始为学习第二章而努力了。