In this condition of affairs we find our justification for offering a new high school text in American history.

在这种情况下，我们找到了在美国历史上提供新的高中教科书的理由。

If mathematicians followed the same method, high school texts on algebra and geometry would include the multiplication table and fractions.

如果数学家采用相同的方法，高中代数和几何课本将包括乘法表和分数。