the likely effect on the population
the likely effect of the population



the key to the question
the key of the question 


Enter the name of the computer.
Enter the name for the computer.


You cannot make a change in the operation.
You cannot make a change to the operation.


You have 3 options to choose.
You have 3 options to choose from.




이것들 전부 의미가 다른대 
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