â€œLaskar Pelangiâ€ä¸æ–‡ç¿»è¯‘ç‰ˆã€Šå¤©è™¹æˆ˜é˜Ÿå°å¦ã€‹å°è¯´ä¸ä¿®è¾žæ ¼çš„æ–‡åŒ–éšå–» (The cultural metaphor of rhetoric in the novel