There are so many unknowns in the proposal.

这项提案中的未知数太多了。

《牛津词典》

There are so many different makes to choose from.

有很多不同的型号可供选择。

《牛津词典》

There are so many different sorts of mushrooms available these days.

这些日子可买到各种各样的蘑菇。

《柯林斯英汉双解大词典》

That is a hard question,he says, because there are so many kinds of music being made right now.

VOA: special.2010.07.19

There are so many entities in this passage that seem to be mysteriously conjoined in some kind of hermaphroditic unity.

这段里有很多看起来很多实体神秘地,结合在两性的一个结合体重。

耶鲁公开课 - 弥尔顿课程节选

There are so many people from all over the world and that's how I met most of my friends.

这里有来自世界各地的人，这就是我如何遇到我大部分的朋友的。

来自世界各地的朋友 - SpeakingMax英语口语达人

What has surprised me though is that there are so many others out there like her.

NPR: Who's Your Grandma? These Days, Nobody Is

So there are so many important lessons to learn in that little 93 minutes.

WHITEHOUSE: Interactive Film Workshop for Students: Beasts of the Southern Wild | The White House

Within this two dimensional object there are so many clues, so many stories and mysteries.

BBC: Paul Graham: Photographs 1981-2006