We cannot measure pain directly. It can only be estimated.
我们无法直接测量疼痛的程度，只能估计。
That is because an economy's trend growth rate cannot be measured directly.
这是因为一个经济体的趋势增长率不能直接被测算。
This field cannot be edited directly (even though it looks like it can).
这个区域不能直接被编辑（即使看起来是可以的）。
But, in general, these tools cannot be used for non-XML data directly.
但一般而言，这类工具不能直接用于非xml数据。
The stone that cannot be dug directly can use blasting operation.
机械不能直接开挖的石方采用爆破法开挖。
Highly treated wastewater cannot be piped directly into a water supply.
高废水处理不能以管子输送直接进入水供给。
Although codes are nearly resemble each other, they cannot be reused directly.
尽管代码结构类似，却不能直接重用。
An interface cannot be instantiated directly.
不能直接实例化接口。
This class is a singleton and cannot be created directly.
这个类是唯一的，不能直接创建。
This class is a singleton and cannot be created directly.
这个类是唯一的，不能直接创建。
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