property NSPredicate : a reference to current application’s NSPredicate
property NSArray : a reference to current application’s NSArray

set aList to {"Apple", "Lemon", "Apple", "Water Melon"}
set aTarg to {"Apple", "Lemon"} –データの表記ゆらぎ対策に使える？

set anArray to NSArray’s arrayWithArray:aList
set aPred to NSPredicate’s predicateWithFormat_("SELF IN %@", aTarg)
set bRes to (anArray’s filteredArrayUsingPredicate:aPred) as list
–>　　{​​​​​"Apple", ​​​​​"Lemon", ​​​​​"Apple"​​​}