The infant participates; he is attended to and spoken to; he plays freely with his speech sounds; it is advantageous to him to make himself understood.
दुई मुलुक बीचमा समझदारी हुनु, समझदारी पत्रमा हस्ताक्षर हुनु कुनै ठूलो उपलव्धी हो।