Cfr
abbr. 运费在内条件（Cost and Freight）；未来研究中心（Center for Future Research）
🗣️ 情景例句
Ask me another question.
别问我这个。
When the well is full, it will run over.
井水满了要溢出。
The swallow shares the virtues of both schools in highest measure.
燕子充分兼有这两类鸟的长处，