What does "It is better to be sure than sorry" mean?

you bet it is What is inflation? Why does it happen? what does it mean?为什么用does而不用is what is what?how does he/she/it i bet you don't know what it means翻译 What does it mean What does it means? what does it say What does it say? what does it say? What does it mean? could you tell me what like?A is it B does it C it does D it is What does 'very'mean in English?Oh,it is means beijingly- is this an English word ,what does it mean something is ice cold what does it mean OB英语What is stereotyping and why does it occur OB英语What is stereotyping and why does it occur OB英语What is stereotyping and why does it occur