airwangzhun 發表于 2018-10-8 21:33
It is taking up ,,,, ,but unlike paper mail and phone calls cost anything .
airwangzhun 發表于 2018-10-8 21:49
沒懂你說的
airwangzhun 發表于 2018-10-11 19:33
我之前那個句子錯的。看意思but don't cost anything 是指phone calls ,我不知道but連接的這段做什么成分, ...
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