The phrase "a certain interest has" is correct and usable in written English.
It can be used when discussing a specific interest that has been identified or acknowledged in a particular context.
Example: "In recent studies, a certain interest has emerged regarding the impact of social media on mental health."
Alternatives: "a specific interest has" or "a particular interest has".
More recently, a certain interest has been devoted to differential operators involving also a nonlinear function of the state variable as in the following equation: bigl(a bigl(x t) bigr)Phibigl(x'(t) bigr) bigr)'= f bigl t,x t),x'(t) bigr), quadtext{a.e. in } I=[0,T], (1) where a is a continuous positive function, ϕ is a strictly increasing homeomorphism and f is a Carathéodory function.
"The confidence that I have from Tata, is that they have shown in the past as a group whenever they have been in similar situations where they want to divest themselves of a certain interest, they have acted responsibly and I would expect nothing different this time round".
If you know about a certain interest that they have in common, mention it off-handedly, to get them going on the topic, but join in as well don't just disappear.
What all this means is unclear, partly because it looks stylistically familiar, but Mr. Balk has always had a certain interest in recycling.
Legacy proves to colleges that you have a certain interest in the school and that you have a familiarity with the culture and value system.
Carsten Kengeter, Deutsche Börse's chief executive, said: "ICE caused some speculation and have confirmed that they have a certain interest in LSE but that is all they did.
In the past, after G.M.A.C. agreed to make a loan at a certain interest rate, the dealer who had applied on behalf of the buyer could increase the rate by several percentage points and keep the difference.
pay is often driven by comparisons between companies, directors have a certain interest in keeping executive pay high.
Braithwaite had a certain interest in the book's insights into how sexual desire corresponds with windows of fertility.
But she also had a certain interest in psychoanalysis, if initially only a scholarly interest, as her brief mention of Sigmund Freud in her discussion of the totemic aspect of Smith's works indicates.
