请英文好的朋友帮助翻译一下以下的句子。

Question

请英文好的朋友帮助翻译一下以下的句子。

建造大坝和运河是另一个解决水缺乏行之有效的解决方法，但在建造期间，存在着很多不确定的因素。

ps.请不要用机器翻译。那样我也会。

Answer 1

建造大坝和运河是另一个解决水缺乏行之有效的解决方法，
但在建造期间，存在着很多不确定的因素。

It's really an effective solution to build the dam and canal for solving the shortage of water resource, but subsequently, we have to face many risky factors during the construction.

Answer 2

The construction of the dam and canal is another solution of water lack of effective solutions, but in the construction period, there exist many uncertain factors.

Answer 3

Another effective solution of water lack is building dams and canals，But during the construction period there are a lot of uncertain factors .

Answer 4

Another effective way to solve water shortage is to build dim and canal. During contruction, there may be many unpredictable factors.