Greetings, Ridzuan, I suggest that you rewrite your sentence in this way: There is always someone out there promising another big secret to lose abdominal fat , but some of these so - called secrets have a higher level of accuracy comprared to others . You need an -ed clause to postmodify accuracy. I also suggest the following improvements: the next big secret - another big secret; fat, but...
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.