¸ß¿¼ÍêÐÎÌî¿Õ¸ßƵ´Ê×é
¡¡¡¡side by side ²¢ÅÅ, ²¢¼ç learn ... by heart ÓÃÐÄѧϰ
¡¡¡¡combine ... with ... Óë...½áºÏ in that circumstances Èç¹ûÊÇÄÇÑùµÄ»°
¡¡¡¡replace ... with ... ÓÃ...´úÌæ... keep a record of ¼Ç¼
¡¡¡¡comments on ... ¹ØÓÚ...µÄÒâ¼û¡¢ at least ÖÁÉÙÀ´Ô´£º