Arbitraging
v. 套汇, 套利（arbitrage的现在分词形式）
🗣️ 情景例句
She cares.
她关心"。
Who is the auther of this biography?
谁是这篇传记的作者？
Did you know that Stone ended up marrying his secretary?
你知道吗？斯通最终和他的秘书结婚了。