in the absence of different races of the fungus

例句：

1. 1. Inthe absence of a clear plan, wecan't move forward.
   在没有明确计划的情况下，我们无法前进。
2. 2. The absenceof sunlight is what makes the desert soharsh.
   缺乏阳光是沙漠如此严酷的原因。
3. 3.He was absent from the meeting due toan emergency.
   由于紧急情况，他缺席了会议。