...了部分可以这样使用的词。此外，请看以下补充例句：1. Although one should not assume more than necessary, one should also not assume less than necessary to model a phenomenon.2. If he has more than is necessary for his actual expenditures, it would not be the most conducive to h...
B：Well, you should have put details of your market research spending and the interest you will have to pay on the bank loan.A：Great thinking, Sally. I forgot those important items.对话A里的forgot，这里为什么用过去时态，而不是用一般现在时态？
Mr. Halpern's book will come to more informed conclusions that I can;
but my own instinct, from the research and from observation, is to draw only
two. 请问is to draw only two中 be to 是个什么用法呢？看着也不像不定式，这段话be去掉也是可以的吧？
By the early 1940s, tractor design had progressed to the stage where a hydraulic lift system had been developed, as had the power take-off shaft used to drive trailed implements such as a self-binder or a manure spreader.as 直接接动词，as 和 had 之间省略的主语是什么？as 在这里...
Although the first part of the book is easy, the rest ______. A.are difficult B.is supposed difficult C.has proved difficult D.have been found difficult
...ed stress can even be
tied back to blood pressure. Similarly, according to researchers, listening to
just 30 minutes of soft music every day may help with healthy blood sugar
levels, through the lowering of stress and anxiety.翻译：许多人在晚上睡觉前喜欢听轻松的音乐。他们说...
...f you live in a cold climate，you may have actually seen something like this happen with
compacted foodprints in the snow.汉语字幕是，如果你生活在寒冷气候中，你可能真的看到过像这样的事情发生，雪地中有压实的脚印。以前经常看到过see something like ...
Although the process of professionalisation and specialization was already well under way in British geology during the nineteenth century, its full consequences were thus delayed until the twentieth century.虽然职业化和专业化的过程在19世纪的英国地质学界中已经形成，但是...
... important for your purpose as well as anything which leads you to
further research. You don’t have to write these things in detail. It is enough
to put the page number and one or two words as a reminder.【翻译】随时在身边准备好笔和纸。遇到任何特别重要的页面都要记下...