Sometimes, it is a legitimate, serious barrier.
Meanwhile, segregation is a serious barrier to empathy.
Vigilantism poses a serious barrier to any other plotters.
The digital divide in e-health is a serious barrier and a contributor to health disparities.
When shopping, differences between American-English and Irish-English are not a serious barrier.
Those out-of-pocket costs can be a serious barrier to women considering other options.
"Malnutrition can be a serious barrier to the success of health interventions," says Susan Wandera, deputy director at Amref Uganda.
Tomoyuki Sugiyama, president of Digital Hollywood University, conceded that language might be a serious barrier, especially for Western students.
The rugged topography of the Sierra Madre Occidental has been a serious barrier to east-west communications.
The commission argues that unpaid internships are becoming a serious barrier to social mobility since talented individuals from low income backgrounds cannot afford to work for free.
Those who oppose changing the law insist that informed consent is not a serious barrier, especially since the State Department of Health produced a simplified form last year.
