But these methods can be slow and unreliable.
但这些方法都太慢，而且并不可靠。
But these methods would not be enough in the long run.
但是，从长远来看，光有这些方法还是远远不够。
These methods include, but are certainly not limited to.
这些方法具体包括下面几种，但是并不仅限于下面几种方法。
But up to now, good methods to solve these problems have not been proposed.
而解决这一问题的方法在截止到目前的很长一段时间里，并没有被很好的提出来。
I haven't heard of these methods working for others, but you never know.
我没听说过这些方法有效，不过也难说。
These methods but increased the production of road to another disease, namely: surface water damage.
而这些方法却又加重了路面的另一个病害的产生，即：路面的水损害。
These methods but increased the production of road to another disease, namely: surface water damage.
而这些方法却又加重了路面的另一个病害的产生，即：路面的水损害。
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