lived.他在一张地图上标明了所有死者住过的地a 。方him This gave
the about valuable clue
cause of the disease.这提供了一条说明霍乱起因的很有价值的线
----
---
Many of the deaths 索。water near the were
Street in pump Broad
16, (especially numbers
许多死40).37, 38 and
者是住在宽街的水
泵附近（特别是这条街上。40号）3816、37、、that also He noticed
as (such some houses Street
21 20 and Broad
---- ---
Cambridge 9 and 8
and
no Street) had had 住有现些deaths.他发21号和（如宽街上宅20号号以及剑桥街上的8号）却无人死亡。和
9foreseen not He had
this, so he made further
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