乳癌死亡率在越发达的国家里死亡率越高，在这些国家里的妇女较迟生育并且孩子较少。
Breast cancer rates are higher in richer nations where women give birth later in life and have fewer children.
乳癌：乳腺癌的发病率也都不死亡率之间的乳酸菌，素食者和非素食者一样。
Breast cancer: Neither breast cancer incidence nor mortality rates are different between lacto-vegetarians and non-vegetarians.
乳癌：乳腺癌的发病率也都不死亡率之间的乳酸菌，素食者和非素食者一样。
Breast cancer: Neither breast cancer incidence nor mortality rates are different between lacto-vegetarians and non-vegetarians.
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