This distinction is so much so that where the latter is lacking,as it is for these unlikely gardens,the former becomes all the more ungent.老师，帮我分析一下句子结构和翻译一下。
This is the question about which we've had so much discussion这句话中为什么要有个介词about？Everything that he said seemed quite reasonable这句话中为什么又没有介词了？介词什么时候，用什么时候不用？？
...is: the
becoming a colonel is simply subsequent to staying in the army and this
includes the case where it is still in the future. The difference becomes
clearer if we add a time adjunct such as before the end of the decade: in [i]
but not [ii], this could refer to the current decade, hence to a tim...
This crossing indicates that there is a good chance of cloning being successful cross species. 我认为of短语是后置定语，其中cloning是逻辑主语，being successful是of宾语，那么cross species在这里做啥成分？
The government recognises this will not be possible, but to mitigate the risk of infection they will be kept in groups of no more than 15.这里they will be kept...是什么成分？