I've written her 20 letters since I have been here.

自从我来到这，我已经给她写了20封信。

youdao

I will leave my trace. The world will know I have been here.

我将留下我的踪迹，让世人知道我曾来过。

youdao

"I have been here a long time," said Mary.

“我在这里已经很久了。”玛丽说。

youdao

"We are prepared to go to Nigeria. We have been talking about Nigeria since two years ago when I came over here,"

VOA: standard.2009.10.22

These strategies aren't dominated, nor are they dominated once you delete the dominated strategies, nor once we dominated the strategies dominated once we've deleted the dominated strategies, but they are dominated once we delete the strategies that have been dominated in the-- you get what I'm doing here.

选择20到30的策略一开始不处于劣势,在第一次剔除劣势策略时也不处于劣势,在第二次剔除势策略之后,也不处于劣势,但是在第三次剔除劣势策略之后,就变成劣势策略了,我想你们明白我的意思了

耶鲁公开课 - 博弈论课程节选

I have had really, really good luck in meeting my best friends since I've been here.

我真的非常幸运，因为我来到这儿后结识了几位最好的朋友。

康奈尔的教授不一样 - SpeakingMax英语口语达人

Republican Senator Marco Rubio gave his party's reply to the State of the Union and it was strikingly different from anything I have heard from his party in the three years I have been here.

BBC: State of the Union: Obama pledges to reignite economy

Soon, my favorite hotel, my favorite rental car company, and my favorite airline will know me, even though I have been here all along.

FORBES: Soon the Travel Industry Will Become Your Personal Concierge

We get to do things I would never have imagined had I not been hired here.

FORBES: What Is It Like To Work At NASA?