The general idea is One set is part of a group, but the whole group is not a set This might be kind of vague but I don't have a better example right now on this other than... All ...
I am studying in Korean. In my grammar book, below sentences are called 'participle phrase' 1) Seeing police officer, he ran away. 2) Buying it online, you have to use a paypal. 3) Realizing his ...
Would you say it is acceptable to write “The content of water in(of?) the sample was very high” to mean “The water content of the sample was very high”? The second one obviously is simpler and sounds ...