1.Itisoftensaidthat.../Manypeopleclaimthat...
2.Inthisdayandage.../Nowadays.../Thesedays...
3.Weliveinanagewhenmanyofusare...
4....isahotly-debatedtopicthatoftendividesopinions.
5....isoftendiscussedyetrarelyunderstood.
6.Itisacommonbeliefthat.../Itiscommonlybelievedthat...
7.Itgoeswithoutsayingthat...isoneofthemostimportantissueswearefacingtoday.