1)Wecannotignorethefactthat...
2)Noonecandenythefactthat...
3)Thereisnodenyingthefactthat...
4)Thisisaphenomenonthatmanypeopleareinterestedin.
5)However,that’snotthe case.
例如:
Wecannotignorethefactthatindustrializationbringswithittheproblemsofpollution.Tosolvetheseproblems,wecanstartbyeducatingthepublicaboutthehazardsofpollution.Thegovernmentonitspartshouldalsodesignstricterlawstopromoteacleanerenvironment.