...要用不定式，不能用动名词。如：
The primary function of a window is to let in light. 窗户的首要功能是透光。
请问上面句子中的不定式to let in light真不能换成动名词letting in light吗？这是语法规定还是习惯用法？谢谢老师解答！
In some cases, it’s not so much the treatment of the
animals on set in the studio that has activists worried; it’s the off-set training and living conditions
that are raising concerns. And there are questions about the films made outside
the States, which sometimes are not monitored as closely a...
The center who fancied himself as Superman has become a journeyman, joining his fifth team in seven years when his hometown Atlanta Hawks unceremoniously dumped him in a trade to the Charlotte Hornets one disappointing season into a three-year, $70 million deal.
Sharing economy provides us more convenient and enriches our life, in that it takes our less money to enjoy a variety of services that we are unaffordable before. 第一个in that 是因为的意思前面加逗号嘛
第二个that 引导的定于从句，错在哪里，怎么修改?
原句是In other words, whatever inborn differences two people may exhibit in their abilities to memorize, those differences are swamped by how well each person “encodes” the information.memorize不是及物动词吗，为什么它在句中可以没有宾语？
In
broad terms, the heritability of a trait measures the extent to which
differences among members of a population can be explained by differences in
their genetics.可以帮忙翻译一下吗，特别是哪个the extent to which 到底表示了什么意思？
The yellow and orange
stone fruits such as peaches are high in the carotenoids we turn into vitamin A
and which are antioxidants. 2018年高考II卷。这个句子是说…in the carotenoids (先行词) （that/which省略）we turn into vitamin A and which are
antioxidants.用and连接两个定语...
To quote a recent article
published in Perspectives in Psychological Science: "Psychology has a
great deal of data on what people believe they do... but little data on what
people actually do."原文：