听力题 "Malaysian authorities are discussing possible salvage efforts with Sun Cruises, the Singapore owner of a luxury liner which sank off Malaysia last week," a news report said yesterday. "Sun Cruises has received some advice from Malaysia on the matter," the Business Times newspaper quoted company''s spokeswoman, Judy Chu, as saying. Chu and other Sun Cruises officials could not immediately be reached for further comment, as they were away in Indonesia. The Sun Vista went down in international waters, the nearby Malaysia may have the right to order the wreck''s removal, the newspaper said. Salvage experts said the wreck of the Sun Vista, which sunk in sixty meters of the water, poses no threat to ships passing over it, but Malaysia may still want it removed.The news item is mainly about_______.