No, I havent heard the phrase. I think that it means diamonds are girls necessity!
1. Its about two hour. or Its about two hours.
->Which of the two sentences is correct?
2. informal: Where are you from?
formal: From where are you?
-> Isn't "Where are you from" a formal sentence?
Hi, Minju! It's nice to hear from you again this year. I am looking forward to studying with you again. I hope the answers to your questions here are clear. We can discuss further in our class. See you!
--Teacher Anji
1. Its about two hour. or Its about two hours.
> It's about two hours. (Sorry if I mistyped this sentence)
2. informal: Where are you from?
formal: From where are you?
> Isn't "Where are you from" a formal sentence?
>> For strict rules, prepositions ( ex: from) should be placed before the word it modifies (where), so "Where are you from? (where + from) is considered informal. But since it makes sense and easier to understand, it became common to use.