We're not sure which ones yet.We’ll visit more countries in Asia.We're not sure which ones yet.这是定语从句吗?为什么用ones?帮我分析一下句子结构呗,

We're not sure which ones yet.We’ll visit more countries in Asia.We're not sure which ones yet.这是定语从句吗?为什么用ones?帮我分析一下句子结构呗,
We're not sure which ones yet.
We’ll visit more countries in Asia.We're not sure which ones yet.这是定语从句吗?为什么用ones?帮我分析一下句子结构呗,

We're not sure which ones yet.We’ll visit more countries in Asia.We're not sure which ones yet.这是定语从句吗?为什么用ones?帮我分析一下句子结构呗,
这是一个省略句,省略to go
完整句子应该是We're not sure which ones to go yet我们尚没有决定究竟去哪些国家
因为前面一个句子We’ll visit more countries in Asia中告诉我们主人公要去很多国家,他们需要决定去的地方不止一个,所以countries要用ones代指,而不用one

不是，ones 指代前面的countries.意思是我们尚未确定哪些国家。

翻译我们还不确定（要）哪个呢。这个括号里要看前后文填的 采纳哦 我们还不确定是哪些？ 我们暂时不确定要哪个。