管理员摘要：
You're completely mistaken about Jane. 你对简的看法完全错了。 He's ignorant about modern technology. 他对现代科技一无所知。 It costs about $10. 这大约要花10元钱。……
You're completely mistaken about Jane.
你对简的看法完全错了。
He's ignorant about modern technology.
他对现代科技一无所知。
It costs about $10.
这大约要花10元钱。