[mass noun](formal)the support or maintenance of someone or something, especially through the provision of money (正式)(尤指通过提供金钱)支撑;维持,供养,资助 provision is made for the sustentation of preachers. 已为资助传道士作出了安排。
语源
late Middle English: from Old French, or from Latin sustentatio(n-), from sustentare 'uphold, sustain', frequentative of sustinere (see sustain)