① 铡诲摢閲屾垒链鍏ㄧ殑锲惧簱缃戠珯,鎴戣佹垒浜涜佺収鐗囧仛绱犳潗
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1. Getty Images - 杩欐槸鍏ㄧ悆棰嗗厛镄勫浘鐗囧簱锛屾嫢链夎秴杩囦笁鍗冧竾寮犲浘鐗囷纴鍖呮嫭铡嗗彶镦х墖銆
2. 缃戞槗鐩稿唽 - 杩欐槸涓锲界殑锲剧墖搴掳纴𨰾ユ湁澶ч噺铡嗗彶镦х墖鍜屽叧浜庝腑锲芥枃鍖栫殑镦х墖銆
3. Library of Congress - 杩欐槸缇庡浗锲藉跺浘涔﹂嗙殑缃戠珯锛屾嫢链夊ぇ閲忓巻鍙茬収鐗囥佹彃锲惧拰鍏朵粬绱犳潗銆
4. Shutterstock - 杩欐槸鍏ㄧ悆鐭ュ悕镄勫浘鐗囧簱锛屾嫢链夊ぇ閲忓巻鍙茬収鐗囧拰鎻掑浘銆
5. Flickr Commons - 杩欐槸Flickr缃戠珯涓婄殑鐗规畩鍖哄烟锛屾槸涓浜涙枃鍖栨満鏋勫拰锲句功棣嗗叡钖岀淮鎶ょ殑锛屽叾涓鍖呮嫭澶ч噺铡嗗彶镦х墖銆
6. WikiMedia Commons - 杩欐槸缁村熀锏剧戠殑鍏嶈垂绱犳潗搴掳纴鍏朵腑镄勫巻鍙茬収鐗囨潵镊鍏ㄧ悆钖勫湴镄勬枃鍖栨満鏋勫拰锲句功棣嗐
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