Second, in a realistic program, you should generally test the return values of.

第二，在一个实际的程序中， 你一般应该立即检查程序中。

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Second, in a realistic program, you should generally test the return values of all the API calls in this program immediately to detect errors (e. g., import failure).

第二，在一个实际的程序中，你一般应该立即检查程序中所有API调用的返回值，以检测错误(例如导入失败)。

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Is it realistic to assume that the program will result in the attainment of stated goals in a meaningful manner?

认为计划能以一种有意义的方式实现既定目标，这是否现实？

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