Sentence examples for are frequently more difficult from inspiring English sources
The etiology of stillbirths in low- and middle-income countries are frequently more difficult to ascertain.
Still, animal mascots are frequently more beloved.
Trying to parcel out who, specifically, was responsible for exactly how much of that productivity, quality, or sales is frequently much more difficult or even impossible.
This is, however, often more difficult -but frequently neglected- in more common species that find ample but often dispersed resources across the landscape matrix [ 61].
Lawyers are frequently difficult to understand.
Outbreaks are frequently reported and are difficult to eradicate.
It also needs to be reproduced to assess personality disorders that may make the treatment more difficult and are frequently comorbid with generalized social phobia.
Historically, however, determining a response has frequently been more difficult than determining tumor progression (treatment failure).
Notwithstanding these arguments in favour of joint work [ 5], working in partnerships has frequently been assumed to be more difficult and expensive [ 9, 10].
"However, there are other significant events that crop up less frequently which are more difficult.
