At the national level, the scores of 13 of the 17 SDGs improved over time, but the scores of four SDGs declined.
这里over time做了improved的宾语是怎么回事?介词短语可以做宾语的吗
如果觉得我的回答对您有用,请随意打赏。你的支持将鼓励我继续创作!