get down to business是什么意思

get down to business是什么意思 --,we have to get down to business right away. get down to your own business请翻译 let get down our business Go down to business. down to business would you like a cup of tea___shall we get down to business would u like a cup of tea or shall we get down to business r get knock down是什么意思? get down to翻译 don't you think it's time we get down to business 为什么句型是it's B2B（Business to Business）是什么意思?