red ink

red-ink的词性：
n.（名词）

1. A financial loss in business.
赤字：商业上的财产损失

2. The condition of showing a fiscal deficit:
赤字状况：显示财务赤字的状态：

a firm drowning in red ink.
赤字累累的公司

red-ink的词源：

3. [From the use of red ink to record debits and losses in financial records]
[来源于在财务记录中用红墨水记录负债和损失]