RYAN HASS is a Senior Fellow, Director of the John L. Thornton China Center, and Chen-Fu and Cecilia Yen Koo Chair in Taiwan Studies in the Foreign Policy Program at the Brookings Institution. From ...

The apostrophe can be used to show who things belong to. If an item belongs to something, the apostrophe shows us who, by sitting at the end of the noun. If that noun doesn't end in s, the apostrophe ...