Sentence examples for valuable and difficult from inspiring English sources

This teaching note explains why feedback is both valuable and difficult, and goes on to summarize research on effective feedback scenarios.

Viximo CEO Rob Frasca says that while the site's all-in-one package and ease of use will be a big selling point, its most valuable (and difficult to replicate) feature is its large library of digital assets.

These combinations mean that these resources are more valuable, rare and difficult to imitate (Molina and Dyer 1999).

Our results conceptually prove that cell-free protein expression could be used as a fast approach to express these valuable and notoriously difficult-to-express proteins.

Although the activation of β2AR-T4L requires the insertion of the T4 lysozyme sequence and the yield of that active protein limited, our results conceptually prove that cell-free protein expression could be used as a fast approach to express these valuable and notoriously difficult-to-express proteins.

Databases of clinical data contain valuable but heterogeneous and difficult data in terms of missing values, incomplete or inconsistent records, and high dimensionality understood not only by number of features but also their complexity.

Replication, while important and valuable, is difficult to achieve and may not be sufficient or necessary for validating GWA findings.

Recent events there show that the traditional American idea of the judicial function can find valuable expression in very different and difficult circumstances.

It is not, in short, all that valuable; and it is extremely difficult to establish in the first place.

The companies conclude "It is easy to think of abstract ideas about what a computer or website should do, but the difficult, valuable, and often groundbreaking part of online innovation comes next: designing, analyzing, building, and deploying the interface, software, and hardware to implement that idea in a way that is useful in daily life.

This is a population least likely to have the high medical costs that make health insurance most valuable, and has proved a difficult sell.