Sentence examples for both required and difficult from inspiring English sources

This is why international authorization is both required and difficult to obtain.

Therefore, Ft and Ds are both required and instructive for MT organization.

The Tudor domain of TDRD3 was both required and sufficient for its relocalization to SGs.

Instead the entire GAIN domain is both required and sufficient for autoproteolysis.

Rather, the C-terminal half of SAS-6 is both required and sufficient for centriole biogenesis.

Of those departments responding, none was involved in both required and elective courses.

So it is both pleasurable and difficult".

It was both wonderful and difficult.

Negotiations will be both complex and difficult.

Within each record, there were both required fields and highly desired fields.

The PAPA uses a structured protocol involving both required questions and optional follow-up questions.