surplus基本解释

n,[数]剩余；[贸易]顺差；[会计]盈余；[电子][经]过剩,同近

Any surplus can be trimmed away..多出来的部分可以修剪掉。

过剩，剩余（物资）英释nnan amount of something that is more than what is needed or used

trade surplus,贸易顺差；贸易盈余.短语