It was slow at first, but many showed up eventually
It was slow at first, but in the end it was a success
It was slow at first, but many showed up eventually＝最初は人が少なかったけどその内たくさんの人が訪れたslow＝暇、あまり人が居ないshow up＝現れるeventually＝その内It was slow at first, but in the end it was a success＝最初は暇だったけど最終的には成功したsuccess＝成功
アメリカ合衆国 
