ph.

1. 帳本底線，帳本盈虧結算線
2. 基本意思（或情況），概要
   The corporation's bottom line is a good profit margin.

   公司的基本要求是好的利潤。

3. 底細
4. 結果
   The bottom line, however, is that he has escaped.

   然而，結果是他已經逃脫了。

n.

1. the final total of an account or balance sheet.
2. the fundamental and deciding factor.