Th\u1ea5u chi l\u00e0 kh\u1ea3 n\u0103ng hi\u1ec3u v\u00e0 c\u1ea3m nh\u1eadn s\u00e2u s\u1eafc v\u1ec1 t\u00e2m l\u00fd, suy ngh\u0129 v\u00e0 mong mu\u1ed1n c\u1ee7a ng\u01b0\u1eddi kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n h\u1ecd ph\u1ea3i n\u00f3i ra. \u0110\u00e2y l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng quan tr\u1ecdng trong giao ti\u1ebfp v\u00e0 x\u00e2y d\u1ef1ng m\u1ed1i quan h\u1ec7 t\u1ed1t v\u1edbi ng\u01b0\u1eddi kh\u00e1c. T\u00ecm hi\u1ec3u v\u1ec1 th\u1ea5u chi gi\u00fap ch\u00fang ta tr\u1edf th\u00e0nh ng\u01b0\u1eddi th\u00f4ng minh trong vi\u1ec7c \u0111\u1ecdc hi\u1ec3u ng\u00f4n ng\u1eef phi t\u1eeb ng\u1eef v\u00e0 t\u1ea1o s\u1ef1 k\u1ebft n\u1ed1i s\u00e2u s\u1eafc v\u1edbi nhau.<\/p>\n