Ключевые слова: 27, appointment, april, business, calendar, celebration, congratulation, conservation, data, date, deadline, design, entry, environment, event, forestry, greenery, hand, holding, holiday, important, mark, marker, meeting, memory, message, month, nature, note, notebook, notice, organizer, paper, pen, planner, planting, red, remember, responsibility, save the date, schedule, season, spring, success, sustainability, text, tree planting month, trees, writing,