Replacing
v. 替代；更换（replace的ing形式）
🗣️ 情景例句
No pain, no gain.
只有付出，才有收获！（不劳则无获！）
Mrs.Jones,this is Mr. John Smith.
琼斯夫人，这是约翰、史密斯先生。
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。