My codes is: public function testGetTextTw() { $t = new Zend_Translate(‘gettext’, ‘./_locale/’, ‘zh_TW’); $this->assertEquals(‘n2’, $t->_(‘New’)); } public function testGetTextCn() { $t = new Zend_Translate(‘gettext’, ‘./_locale/’, ‘zh_CN’); $this->assertEquals(‘n1’, $t->_(‘New’)); } But, the testGetTextCn() go into fail: expected string ‘n1’ but got string ‘n2’. So, I read the codes in Zend_Translate_Adapter::__construct(). the param …