请翻译这句not that that justifies treating them badly 为什么有两个that，以及justifies
treating是什么意思？A general habit of optimism in one person could make them intolerant of
a colleague who's constantly pessimistic- not that that justifies treating them
badly, of course. 原...
...man, who I was told wanted very much to be introduced to me;
but as he did not want it quite enough to take much trouble in effecting it, we never could bring it about. I danced
with Mr. John Wood again, twice with a Mr. South, a lad from Winchester…（出处：Jane Austen's Steventon and Her Life...
...erefore的这种用法正确吗？
It was here
yesterday, therefore it cannot be lost. （摘自《薄冰惯用法词典》）
therefore作为副词，如何能连接句子？个人认为这个例句是错误的？查阅了其他词典的例句：
Jeremy kept
talking in class; therefore, he got i...
...Goods) 29.4%Shipping otherAirplanes railThe fuels for transport need to be not just green, cheap and powerful,
but also lightweight and safe enough to be carried around. Each mode of
transport has its specific fuel needs. Much is still to be settled, but here
are some of the solutions to get us goin...
...y General’s office launched an investigation in the fall into whether or not Verizon, Cablevision and Time Warner are delivering broadband that’s as fast as the providers claim it is.这句话中as引导的比较状语从句中it is是省略that的宾语从句吗？如果是那么is后是不是...
Those plants have desirable characteristics that are not available using up to date breeding technology.请问老师这个分词作什么成分using up to date breeding technology
...说祈使句的否定式只能用缩略式，即用Don’t，不用 Do not，是这样吗？
Don’t stay up late on my account. 别为我熬夜。
Don’t forget to add me in. 别忘了把我也算上。
Don’t be afraid of the dog. 不要怕那只狗。
Don’t leave a...