英语翻译But for mobile phones,（our communication would not have

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/30 11:01:04

英语翻译
But for mobile phones,（our communication would not have been so efficient and convenient.）我们的通信就不可能如此迅速和方便.
But for the survival instinct which nearly all creatures have,(more species would have been extinct from the earth ).更多的物种就可能已经在地球上灭绝了

针对以上两个句子来看,无论是第一句中涉及的 mobile phones,...communication ;以及第二句中的more species ...extinct ...都可以看出,是针对过去时间虚拟的.所以采用了would have +pp
当然,虚拟的时间也有针对现在和将来的
如 we would carry out the plan if it were not rainy today ( 今天要不是下雨的话,我们就实施这个计划了；实际情况 it's rainy today .）
再问：我想知道的就是——为什么题目表达的是对过去的虚拟？按照题意我的理解是对现在的虚拟啊啊。。。。。请问你是怎么看出来的“是针对过去时间虚拟的”？谢谢！！！
再答：你好。根据题意，第一句中的 mobile phone ，它的出现是发生在过去时间；第二句中提及的 survival instinct ，以及extinct ，如果“生存本能”不复存在，那么 “更多的地球物种灭亡这个情况也是在过去就已经发生了，不会拖延到”现在“。

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