vt.
对有用，对…有益，有助于：
Moderate exercise subserves digestion.
适度锻炼有助于消化。
It subserves your feeling to drink a whisky.
喝下这杯威士忌可使你平静下来。
促进，推动，促使…实现：
to subserve the normalization of relations between the two
促进双方的关系正常化
It subserves me to finish the task before t