One must turn to the ancient world to recognize that the greatest contributions in any field of endeavor have come through discovery rather than invention or advancement.请问"field of endeavor"翻译成中文什么意思？
...有些逻辑不通。Until now, many sellers that have a physical presence in only a single state or a few states have been able to avoid charging sales taxes when they ship to addresses outside those states.
The deflationary pressure China faced in this dangerous period showed
that there was room to stimulate the economy.老师您好，请问这里为什么用过去分词faced 不应该用现在分词吗？面对是中国主动面对啊。
Philip,
a solitary proof reader, is trapped in his apartment, too afraid to leave and
tortured by an unknown evil force that has kept him prisoner for the last two
years.请教keep sb prisoner是什么结构：1.这个keep是使役动词接了名词作宾补吗？2.是否还可以分析为prisoner...
...ompared with the traditional results, the
controller is adapted via the online estimation of the unknown coefficient of
virtual input parameters, which is introduced in coordinate changes.
...解：-- Professor Li is wanted on the phone. Where is he?-- I saw him coming, but in a minute, he _____.这里为什么要用disappeared，不能用has disappeared。为什么不能用现在完成时表示他已经不见了，强调对现在的影——他现在接不了电话。
The park was full of people, ________ themselves in the sunshine.A. having enjoyed B. enjoyed C. enjoying D. to enjoy公园挤满人，在阳光下尽情享受。enjoy的逻辑主语是 the park 么？我怎么感觉应该是 people？该怎么解释呢？谢谢老师！
Oil rose higher than $120 a barrel on Monday as increasing prices for fuels, such as petrol and diesel, combined with lingering concerns over supplies from Russia to propel crude to its highest level in two months.as引导的原因状语从句中increasing prices 是主语，谓语不应该是propel...
... a son who hated her 的理解：For the last years of her life she lived in a place which she was not liked, ruled by a son who hated her.如果非谓语短语的逻辑主语是前面被修饰的名词 place，那么非谓语做定语，修饰 place。但是不是也可以这么理解：非谓语...