目前国外商业上使用的油砂沥青分离方法是水洗分离。
At present, the commercial method to extract bitumen from oil sand is Hot Water Extraction Process.
这个工具是免费的，也是开源的。但是如果你在商业上使用它(比如从某些渠道获利)，为了它能继续下去你应当对其作出贡献。
The tool is free and open source. However, if you use it commercially (ie to make money in some way) you should make a donation to keep the project alive!
虽然当地居民主要是中国人，英语却成了商业上正式使用的语言。
English became the official language for business in spite of the fact that the population was largely Chinese.
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