since

We've lived here since 1994.

自1994年以来我们一直住在这里。

The gastro-pub has existed in various locations in Hong Kong since 2002.

自2002年起，“美食吧”在香港各地陆续出现。

Since 2007, economic welfare in the U.S. has continued to improve.

自2007年以来，美国的经济福利持续改善。

Since when did he ever listen to me?

他什么时候听过我的话？

Cath hasn't phoned since she went to Berlin.

卡思自从去了柏林还没有打来过电话。

Since our twins began learning to walk, my wife and I have kept telling them that our sliding glass door is just a window.

自从我们的双胞胎开始学走路以来，我和妻子一直告诉他们，我们家的滑动玻璃门只是一扇窗户。

But Goel and his team sourced the online discussion forum to find all the 40,000 questions that had ever been asked since the class was launched.

但戈埃尔和他的团队在网上论坛上找到了这门课开设以来被问过的40000个问题。

We thought that, since we were in the area, we'd stop by and see them.

我们想，既然到了这个地方，就该顺便去看看他们。

Warming changes key characteristics of the ocean and can affect phytoplankton growth, since they need not only sunlight and carbon dioxide to grow, but also nutrients.

气候变暖改变了海洋的主要特征，并会影响浮游植物的生长，因为它们不仅需要阳光和二氧化碳才能生长，而且还需要营养。

Most of them engage with potential donors, since projects that answered questions from interested donors fared better.

他们中的大多数都与潜在的捐助者有过接触，因为回答相关捐助者问题的项目有了进一步发展。