a trading agreement against the public interest
a practice of a union or other group tending to limit the freedom of other workers or employers
Practice vs. PractiseThe difference between practice and practise mainly comes down to British vs. American spelling ...
That vs. WhichTo understand when to use that vs. which, it’s important to keep in mind the difference between and restrictive and nonrestrictive clauses. In formal American English, that is used in restrictive clauses, and which in used in nonrestrictive clauses. A restrictive clause contains information that limits the meaning of the thing being talked about. For example, in the sentence “Any book that you like must …
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012