Cross references : dependent clauses and phrases ; clauses -- restrictive and nonrestrictive .
参考:从属从句和短语;限制性从句和非限制性从句。
When writing a nonrestrictive clause , do place a comma before " which . "
前一定不要用逗号,而使用非限制性从句时,which
The nonrestrictive clause in " I always buy his books , which have influenced me greatly , " refers to his books generally and adds an additional fact about them .
在“我总是买他的书,那些书对我影响极大”一句中,非限定性定语从句一般是针对他的书进行附加性修饰。
Nonrestrictive clauses simply add further information about preceding antecedents , but they do not limit or restrict the meanings of the referents .