be leaving for 现在进行时，通常也表将来时意义，如
Im leaving for Beijing.我正（要）动身去北京。
例句
I\'m leaving for California.
我要去加利福尼亚。
He is leaving for Spain.
他就要动身去西班牙了。
The students are leaving for the USA.
这些学生们要动身去美国了。
I hear you\'re leaving for Italy soon.
我听说你很快就要去意大利了。
