a component

‘Component’ is a more technical word for a part. It can be used for physical parts – for example, for the parts of a machine – as well as for theories, models, plans etc.

Increased spending on direct advertising is a key component of our marketing plan.  

more example sentences        questions for personal practice        unit 1

exercise 7.1    exercise 7.6    exercise 12.1    exercise 12.6    exercise 14.1    exercise 14.6

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a proportion

Proportion means part in the sense of how much of something. So, for example ¾ is a large proportion, whereas 1/10 is only a small proportion.

Exports account for a small proportion of total sales but add significantly to overall profits.

more example sentences        questions for personal practice        unit 8

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