Note: in AM, use 'luster'
1.
Lustre is gentle shining light that is reflected from a surface, for example from polished metal.
Gold retains its ~ for far longer than other metals...
It is softer than cotton and nylon and has a similar ~ to silk.
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2.
Lustre is the qualities that something has that make it interesting and exciting.
What do you do if your relationship is beginning to lose its ~?
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