Matched context for essential and desirable

The page lists matched contexts for essential and desirable.

Share - essential	Share - desirable	Phrase
0.41%	4.07%	{essential or desirable} to provide
0.35%	0.30%	{essential or desirable} to ensure
0.32%	0.61%	{essential or desirable} to prevent
1.04%	0.16%	course [attribute] {essential or desirable}