First of all because the communication through email was incredibly slow and abrupt.

首先是因为和他之间的邮件通信速度是令人难以置信的慢和突然。

youdao

"It's not going to be the old policy as usual, first of all because old policies didn't work," he said.

他说：“不会像过去一样维持老政策了。”首先因为老政策没有见效。

youdao

First of all, because food travels such long distances, we need more planes, trucks and ships to move the food.

首先，因为食物运输的距离太长，我们需要更多的飞机、卡车和船只来运送食物。

youdao

"It's not going to be the old policy as usual, first of all because old policies didn't work,".

VOA: standard.2009.04.17

Well, of course, it's because he thinks, first of all, there's a soul and it will survive and it's immortal.

当然,这是因为他认为,首先,灵魂是存在的,在肉体死后仍会继续存在,而且灵魂是不朽的

耶鲁公开课 - 死亡课程节选

And they're useful because, first of all, they're easy to depict, they're easy to draw relatively easy once we get all the rules down.

它很有用是因为，首先，它很容易描述，它很容易画出来,一旦我们确定了所有的规则以后就比较容易。

麻省理工公开课 - 化学原理课程节选

Well first of all because we don't believe in it and that's the blunt answer I guess.

BBC: NEWS | Have Your Say | Transport Minister Kim Howells

"I would never want to do something with flowers unless it was with Mark, first of all because I think his hand is unique, " says Simons.

WSJ: Florist Mark Colle Springs Into Fashion

Our health care system is dysfunctional--first of all because it emphasizes acute care, which is the most expensive and least helpful form of care, rather than prevention, wellness and early testing.

FORBES: Magazine Article