Englishfor English speakers
rational
Adjective
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If a person or an argument is rational, it makes sense and is based on good reasons.
Driving without a seatbelt is simply not rational.
Use of clean fuels is a healthier and more rational approach to meeting our energy needs.
Science is more linear, logical and rational than art.
I don't know what happened, but I'm sure there's a perfectly rational explanation.
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If a person is rational, they are calm and not emotional.
It's often difficult to remain rational when people are telling you you're terrible.
basis
Noun
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The basis of something, is the main ideas or parts that it is built on.
On the basis of the information available, we have decided to cancel the project.
There is no basis for believing that he was killed.
Her experiences in Cambodia formed the basis for her first book.
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If something happens on a regular/daily/weekly etc. basis, it happens regularly, daily, etc.
The problems are now happening on a very regular basis.
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If we are on a first-name basis, we use first names when speaking to each other.
Josie Parkinson and I are on a first-name basis. I call her "Josie" when I see her.