needless to say

例句：

1. Air as well as sunlight be, needless to say, indispensable to our daily life.
   不必說，空氣象陽光一樣，對我們的日常生活不可缺少。
2. Needless to say, I survived.
   不用說，我得救了。
3. Needless to say, learning without thinking is useless.
   不用說，學而不思則罔。
4. Needless to say, he kept his promise.
   不用說，他信守了他的諾言。