Not only do you need to find hard facts and figures, but you will need to debate against very strong opinions to make your case.
Ọ bụghị naanị na ịchọrọ ịchọta ihe ndị siri ike na ọnụ ọgụgụ, ma ị ga-arụrịta ụka megide echiche siri ike iji mee ka ikpe gị.