在以下哪个句子中，'give up'的意思是正确的？

A translator is working on a document that uses the phrase 'a delicate balance' to describe a political situation. Considering the need for both accuracy and natural language use in the target language, which of the following translations would BEST capture the intended meaning in a different cultural context?

在分类任务中，通常使用的损失函数是？

考虑以下Java代码片段，哪些声明在语法上是正确的，且不会导致编译时错误？

以下哪项最能体现一个人行为的“元程序”？