All guests are to return their visitor passes when leaving the school compound.
所有来宾离校时须交还访客证。
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MURGHAB, Tajikistan — On the outskirts of this wind-scoured town, founded in 1893 as a Russian military post, the construction of a new customs compound heralds the return of another major power.
When you type in the if statement and the terminating colon, then press Return (or enter) on your keyboard, the Python interpreter realizes you have entered a compound statement.