Englishfor English speakers
liability
Noun
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A liability is something for which you are liable or responsible.
The airline admitted liability for loosing the suitcase.
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A liability is when you owe money to someone else.
The company had a liability of more than 10 million dollars.
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A liability is a weakness or problem that holds you back from doing things.
He worked as a writer, but found his bad spelling was a real liability.
clause
Noun
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A clause is a section in a contract or other legal document.
The author's contract contained a clause giving him creative control over the films.
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A clause is a group of words that usually includes a subject and a predicate. In English, the subject usually comes before the predicate.
The last clause in the sentence is hard to understand without knowing some background.