他來自中國(guó)，‘肯定是每天騎自行車搞的。’
'He was from China so I thought,' He must have rode bikes all day.
嗨，勞拉。這是我的表兄，大明。他來自中國(guó)。
Hi. Laura. This is my cousin, Daming. He's from China.
他來自中國(guó)的北部。
He comes from the north of China.
而且他來自中國(guó)。
And he is from China.