肯亞人擅長跑步 因為有良好的先天基因加後天環境，成就了他們在馬拉松領域

肯亞人擅長跑步 因為有良好的先天基因加後天環境，成就了他們在馬拉松領域的優勢

結果 (英文) 1:

Kenyans are good at running because they have good innate genes and acquired environment, which has made them an advantage in the marathon field.

結果 (英文) 2:

Kenyans excel at running because they have good innate genes combined with a natural environment that has given them an advantage in the marathon field

結果 (英文) 3:

Kenyans are good at running, because they have a good congenital gene and acquired environment, which makes them an advantage in the field of marathon