I'm really sure that 当然知道
"I'm not really sure that people should read that much into that," Aboulafia said.
“我不确定人们是否对这件事有很深的了解。”阿布拉菲亚说。
'I really think that...' 'I'm just not sure that...' 'in my opinion...'.
比如' i really think that…' ' i ' m just not sure that…' ' in my opinion…'。
I expect that XML namespaces 1.1 will soon become the norm (unlike, say, XML 1.1 which I'm not sure will ever really catch on).
我认为XML namespaces 1.1很快会成为标准(和XML 1.1不同,比方说,后者很难说会真正成为标准)。
"Celebrating with our family." "Presents!" "I usually get presents that say Santa Claus on them but I'm not really sure if they're from him."
VOA: special.2009.12.21
I'm sure you don't really know what that means.
也不知道这句的意思。
But I'm not sure that you can really make that assumption based on something that someone creates
但我不确定你真的能基于某人创作的某些作品来做那样的推断,
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