Some scientists say the world needn’t be afraid of a possible shortage of coal, oil, natural gas or other sources of fuel for the future. They say that if these were used up, there would be enough of these type of energy to last forever. 老师好，请问加粗部分为什么用不定...
It pays to clarify the rewards at stake this semester—whether those rewards are internal, such as the feeling of accomplishment that comes from understanding a difficult concept well, or external, such as getting a good grade.
...nd cis allies are tired, too. Tired of being told they're doing it wrong or that it isn't even their place to show up at all.请问老师， 这是什么从句， 主句是缺少谓语和宾语吗
...between 100 and 150 rupees a day, out of which they have to
pay 20 ruppes for the use of the rickshaw and an occasional 75 or more for a
payoff if a policeman stops them for, say, crossing a street where rickshaws
are prohibited.请问老师这个say在这个地方表达一层什么含义？
The manager was unaware of the points engaged, so his understanding about the matter was quite arbitrary.请问这句话中engaged的是什么含义，是形容词还是动词用法？我在字典上查到的用法似乎都讲不通，请高手帮忙解释。
Curious to learn more about the potential health effects of increasingly popular milk alternatives, researchers have done some investigating and found that plant-based beverages could have benefits beyond providing proteins, vitamins, and minerals.
Richard was uneasy about how best to approach his elderly mother. 最好如何去跟年迈的母亲谈，理查德心里没有数。请问如何理解句子中的 how best to approach…？这是一个什么句式？how 后面接最高级？不理解，请专家老师解答，非常感谢！
...he door of his home,
he heard the discussion of the children of the family about what they might get
for Christmas.请问老师：1 when he was drinking hot chocolate with
a satisfied smile at the door of his home是定语从句修饰前面的the day before Christmas吗？2 with a satisfied
smile是...
...s
have a false sense of what emergency wards of hospitals are really like. On TV
shows they take a kid to an emergency ward and four doctors come rushing down
to bandage his leg. In a real life situation the kid would be sitting on the
bench for two hours before he even saw a nurse. I
make machines...