Never assume that your society is too advanced to experience water shortage. (Para.16)
A、You should never think that your society will not suffer from water shortage because it is advanced enough to solve all water problems.
B、Don’t assume that only the advanced society will experience water shortage.
A、You should never think that your society will not suffer from water shortage because it is advanced enough to solve all water problems.
B、Don’t assume that only the advanced society will experience water shortage.