1.  I suppose, this is true meaning of number 1.

2.  Friend, it is meaning that all types of people can be related.

3.  That is meaning these people will be good to us, and we have similar hobby and view.

4.  All in all, market failure is meaning that the market can't make society in the allocation of resources to the most efficiency.

5.  Firstly, outer space exploring is meaning searching more energy resources.

6.  Although the conference was ended, the transmission of Copenhagen's meaning is still lasting and it will certainly have effects on offspring.

7.  It is meaning that You will do yourself.