[译] 几何学是论述空间与空间图形的数学分支。
[误] Geometry is a part of mathematics that treats with space and figures in space.

[正] Geometry is a part of mathematics that treats of space and figures in space.
[注] treat of 意为"论述"(= deal with); treat with 意为"谈判"。例如：We treated with them on equal terms. 我们在平等地位上和他们谈判。