古文典为您提供at the expense of是什么意思,at the expense of的用法,at the expense of的词性,at the expense of的词根,at the expense of短语搭配,at the expense of双语例句等服务，让您轻松背单词。

古文典为您提供operating expenses是什么意思,operating expenses的用法,operating expenses的词性,operating expenses的词根,operating expenses短语搭配,operating expenses双语例句等服务，让您轻松背单词。

古文典为您提供expenses是什么意思,expenses的用法,expenses的词性,expenses的词根,expenses短语搭配,expenses双语例句等服务，让您轻松背单词。