so that
1.为的是，以便
I set up the computer so that they could work from home. 
我把电脑设置好，这样他们就可以在家办公了。
2.以致于
He hadn't studied hard so that he failed in the exam. 
他平时学习不努力，以致（于）考试不及格。

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祝学习进步Y(^_^)Y