19、在总体上很难说……是好还是坏，因为它在很大程度上取决于……的形势。然而，就我个人而言，我发现……。Itisdifficulttosaywhether_____isgoodornotingeneralasitdependsverymuchonthesituationof______.However,fromapersonalpointofviewfind______.
20、综上所述，我们可以清楚地得出结论……Fromwhathasbeendiscussedabove,wemayreasonablyarriveattheconclusionthat____.
