sideline        
[der] 兼。副。。

spare-time work, second job, sideline, side lining, sideline job, moonlighting, avocation, additional occupation, part-time job

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[die] 兼。。副。
part-time work, spare-time work, moonlighting, sideline

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[die] 界。制。
boundary line, bearer bar, gauge line, sideline

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[die] 副。兼。余。
spare-time work, second job, sideline, side lining, sideline job, moonlighting, avocation, additional occupation, part-time job