[] to make sth continue for some time without becoming less使保持；使持续◆a period of sustained economic growth经济的持续增长时期◆a sustained period of falling prices价格的持续下降时期◆We have enough cash to sustain the business for a year.我们有足够的资金使公司维持一年（的运作）。to experience sth bad遭受；经受；蒙受◆The company sustained massive losses.公司蒙受了巨大的损失。to provide evidence to support an opinion, a theory, etc.证明；证实◆The evidence is not detailed enough to sustain his argument.证据太笼统，不足以证明他的论点。 () to decide that a claim, etc. is valid认可；准许；确认；支持