An open-loop system is unable to correct any errors that it makes, and it cannot engage in machine learning.

It would be smallmindedly chauvinistic to pretend that Scotland was other than a strong participant in the furthering of British Imperial ambitions.

Judith, aged 58, described her experience of seeking help for persistent back pain: You don't actually see the consultant. You wait for ages and ages and ages and you come out feeling totally baffled really.

An article may be possessed of the highest degree of utility, or power to minister to our wants and enjoyments, and may be universally made use of, without possessing exchangeable value.