HSK 7-9
扩张
kuòzhāng动
expansion; dilation; to expand (e.g. one's power or influence); to broaden
城市边界不可盲目向外扩张。
Chéngshì biānjiè bùkě mángmù xiàng wài kuòzhāng.
A city's boundaries should not expand outward blindly.
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Appears across levels (7-9) in the HSK 3.0 word list.