Translation of "Furthermore" in Chinese

Furthermore, I still don't think this a huge cultural difference.

而且，我还是认为这准不是个巨大的文化区别。

Even when you think about it in a very commonsensical way, a life without laughter is gloomy and cold. Furthermore, it is thought to be unhealthy.

即使你从常识的角度来考虑，没有笑容的人生很冷酷很惨淡。还有的确不健康。