at
within
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→zai4nei4 • zàinèi
to be included
be included, included, including, includes, include, to include, within
邮费 在内
postage included
连 我 在内， 小组 有 七 个 人。
Including me, there are seven people in the group.
房租 每 月 四百 元， 水电费 包括 在内。
The rent is 400 yuan a month, including water and electricity fees.