I never like to leave anything unfinished.

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Do not leave belongings unattended in public places such as the library,
studios, laboratories, cafeterias and academic buildings.

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Sometimes, we leave things undone because we are purely avoiding doing what
we just don't feel like doing

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Computers use a lot of power, so it's a good idea to leave them unplugged
unless you need them.

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It's always better to stay up and talk things over rather than leave
them unresolved
for hours or even days.

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leave * un---[-過去分詞-]