But the policy is unclear and contradictory.
但这项政策本身含糊不清且自相矛盾。
For example, it is unclear whether the sequencing of a whole genome violates the patents of individual genes within it.
例如，尚不清楚对整个基因组进行测序是否会侵犯其中单个基因的专利。
Also unclear is why Microsoft has gone it alone.
同样不清楚的是，为什么微软要独自行动。
Though it's still unclear why the original domestication happened, Science News' Freda Kreier reports that the event coincided with the Sahara growing larger and drier.
尽管尚不清楚最初的驯化为何发生，但《科学新闻》的弗雷达·克雷尔报道说，这一事件与撒哈拉沙漠变得更大更干燥的时间相吻合。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。