You could install a solar heating system...


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±ÍÇÏ´Â ½ÇÁ¦ ¼³Ä¡ ºñ¿ëÀÇ ¹Ý °ªÀ¸·Î ±Í´ì¿¡ ž翭 ³­¹æÀåÄ¡¸¦ ¼³Ä¡ÇÒ ¼ö ÀÖ½À´Ï´Ù.



  • ½ÇÁ¦ ¼³Ä¡ ºñ¿ë: the actual cost of installation
  • ±Í´ì¿¡: in your house
  • ž翭 ³­¹æÀåÄ¡: a solar heating system
  • ¼³Ä¡ÇÏ´Ù: install; set up
  • ¹Ý °ª¿¡: at half the cost


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    (1) He is twice taller than I.
    (2) He is two times as tall as I.
    (3) He is two-thirds my height.
    (±×ÀÇ ½ÅÀåÀº ³ªÀÇ 2/3ÀÌ´Ù.)
    (4) He is a half (of) the height of mine.
    (±×ÀÇ ½ÅÀåÀº ³ªÀÇ ¹ÝÀÌ´Ù.)
    (5) They bought the crude oil at twice the official price.
    (±×µéÀº °ø½Ã°¡°ÝÀÇ µÎ ¹è¿¡ ¿øÀ¯¸¦ ±¸ÀÔÇß´Ù.)
    (6) He paid three times the original price of the goods.
    (±×µéÀº ±× »óÇ° ¿ø·¡ °¡°ÝÀÇ 3¹è¸¦ ÁöºÒÇß´Ù.)
    (7) He resold it at twice what he had paid.
    (±×´Â ÀÚ½ÅÀÌ ÁöºÒÇÑ °¡°ÝÀÇ µÎ ¹è¿¡ ±×°ÍÀ» µÇÆȾҴÙ.)

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