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I try to distinct between 你还是不同意吗 and 你还不同意吗. 你还不同意吗 implies (given something aforementioned), you still disagree? 你还是不同意吗 implies (given something aforementioned), your attitude/stance is still no/disagree?


2

OP already listed their different definitions. They don't seem to be interchangeable at all. The meaning of 'still' may be the only one where either word-choices can be used in the same sentence, but there's still some subtle differences between them: Fact 1 + 还 + Fact 2 describes the facts without emphasizing any. Fact 1 + 还是 + Fact 2 emphasizes the ...


1

草原 should mean animal agriculture(畜牧業) and any other nature resources related to grassland. 海洋 have similar concept of 草原. You could use 農林漁牧業 to indicate agriculture,forestry,fishing and animal agriculture industries.


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