"He replaced the old razor blade"
"We need to replace the secretary that left a month ago"
"the insurance will replace the lost income"
"This antique vase can never be replaced"
"Smith replaced Miller as CEO after Miller left"
"the computer has supplanted the slide rule"
"Mary replaced Susan as the team's captain and the highest-ranked player in the school"
"replace the book on the shelf after you have finished reading it"
"please put the clean dishes back in the cabinet when you have washed them"
"the con artist replaced the original with a fake Rembrandt"
"substitute regular milk with fat-free milk"
"synonyms can be interchanged without a changing the context's meaning"
We've replaced the old machine with a computer.
我们用电脑取代了那台旧机器。
We have replaced human labour with machines.
我们用机器取代了人类劳动。
They replaced trams by buses.
他们用公共汽车代替了电车。
I think that the theatre will be replaced by the cinema.
我认为剧院将由电影院取而代之。
Coal fires were replaced by gas.
煤火已被燃气所代替。