What is the usage of "health"? Can ni auxiliary words be used like this? In addition, when Japanese words are memorized, they always lose their long sounds, and when they are dialed to promote Chinese

What is the usage of "health"? Can ni auxiliary words be used like this? In addition, when Japanese words are memorized, they always lose their long sounds, and when they are dialed to promote Chinese characters, they just can't remember them. The Chinese translation of "health" is "beneficial to health".

Where "に" represents the benchmark for evaluation. Such as: このやはにちます. (This medicine is effective for colds), in which "にに" is used the same as "にに "in the sentence you quoted, and the last item is usually an adjective or descriptive verb. This is different from other uses of "に". "

There is no way to solve the last problem, only work hard, work hard and try again.