Without agriculture, we cannot survive, therefore the agriculture is very important to the humankind.
2、因為鐵軌交通比公路交通更安全，所以很少的人在鐵軌交通中受傷或死亡
The railroad transportation is safer than highway, so there are less injuries or death caused by the railroad traffics.
3、雖然世界上所有的石油不久將用完，但是我們並沒有盡全力去尋找新的能源
Although all the petroleum will be exhausted in the world soon, but we have not tried our best to search for new energy resources.
4、政府不可能再重新在原址上建造整個城市因為它處於地震帶。
The government cannot rebuild the whole city on the same site, because it is located on the earthquake belt.
5、雖然核能能夠發電，但是很多人反對使用核能。
Although we can generate the electricity from the nuclear energy, but many people are against using the nuclear energy.
6、雖然旅程歷經艱辛，但是大部分鳥都安全到達
Although the journey was hard and long, but the majority of birds safely reached the destination.
7、盡管史密斯接受布朗的理論，但是他仍對其中的壹些結論表示不贊成
Although Smith has accepted the theory by Brown, but he still disagrees some of the conclusions in the theory.
8、雖然威廉姆斯下班了，但是某人仍看見他在餐館裏花了很長時間和同事討論工作。
Although Mr. Williams had left his office after office hours, but somebody still saw him spending quite a long time talking with his co-workers in job-ralated topics in the restaurant afterward.