不建议后边加什么成分,这个句子的大概意思已经很充分了,你可以把前边加上一个形式主语:
It is a duty to acquire and maintain a sufficient level of knowledge and understanding of the company's business
其中it是做后边不定式的形式主语
不建议后边加什么成分,这个句子的大概意思已经很充分了,你可以把前边加上一个形式主语:
It is a duty to acquire and maintain a sufficient level of knowledge and understanding of the company's business
其中it是做后边不定式的形式主语