Definition: to cause or allow something to continue for a period of time Level: C2
该公司可能无法维持这样的增长速度。
The company may not be able to ___sustain this rate of growth.
他们必须努力工作以达到并维持这个高水平。
They have to work hard to reach and ___sustain this high level.
他无法保持对这个项目的兴趣。
He couldn't ___sustain his interest in the project.
