either by borrowing,composition or derivation:或是外来词,合成词,或是衍生词.either与or连用,不是与by连用的.either…or或者…或者.
it has some slight chance of living 它生存的可能性很小.
many of our respectable terms have a slang origin 相当数量的术语中很多都有一个俚语来源respectable是"相当数量的”意思,term术语,slang俚语,origin来源.