Privacy was a major challenge as well.
"It is certainly a major challenge, as has been the case with the Paris Climate Accord.
A major challenge, as well as an opportunity, for Facebook is the migration of users from personal computers to mobile devices.
Developing novel smart materials for the next generation of advanced electronic devices represents a major challenge as well as an exciting opportunity in the direction of integration, miniaturization, and flexibility.
As discussed earlier, quantification of lipids in global/untargeted lipidomics analyses remains a major challenge as well.
However, this remains a major challenge, as the majority of AASs detected in cancer genomes do not contribute to carcinogenesis; rather, these 'passenger mutations' are a consequence of tumorigenesis rather than a cause (Greenman et al., 2007).
The first major challenge as children turn into adolescents is disclosure of their HIV status.
I want to set myself a major challenge as I face my last quarter-century.
Obtaining structural crystallographic maps of monolayer organic films using electron beams posed a major challenge, as Aloni explains.
In vivo IVUS modulography, however, remains a major challenge as the motion of the heart prevents accurate strain field estimation.
However, the co-delivery of drugs and genes remains a major challenge as they lack efficient co-delivery carriers.
