v.关于( pertain的第三人称单数 );有关;存在;适用;
例句:
The most significant change pertains to managed threads.
最重要的更改发生在托管线程上.
So water pertains to yin and fire to yang.
水性寒而下走,火性热而上炎,故水属阴,火属阳.
The certificate pertains to adult and children's products.
证书涉及成人和儿童产品.