As an expert in the field of sports and the Olympic Games, I can provide you with information on sports that have never been included in the Olympic program. While the International Olympic Committee (IOC) continually reviews and updates the list of sports for each Olympic Games, there are numerous sports that have never been part of the official program. Squash, as you mentioned, has been a sport that has been campaigned for inclusion since the 1992 Barcelona Olympics but has not yet been added. Similarly, karate was considered for inclusion as a replacement for baseball and soccer when they were dropped from the London Olympics in 2005, but it was not included until much later. Other sports that have never been part of the Olympics include cricket, rugby league, sumo wrestling, baseball (which was once part of the Olympics but was later dropped), and billiards. Here is the translation of the above response into Chinese: 作为体育和奥运会领域的专家，我可以为您提供从未被列入奥运会项目的运动信息。虽然国际奥委会（IOC）不断审查并更新每届奥运会的体育项目列表，但仍有许多运动从未成为官方项目的一部分。你提到的壁球自从1992年巴塞罗那奥运会以来一直在争取加入奥运会，但至今尚未被加入。同样，空手道在2005年棒球和足球从伦敦奥运会中剔除时，被认为是可能的替代项目之一，但它直到后来才被包括在内。其他从未成为奥运会项目的运动包括板球、橄榄球联赛、相扑、棒球（曾经是奥运会的一部分，但后来被取消）和台球。 read more >>

The World Squash Federation (WSF) has been campaigning for squash to be included on the Olympic program since Barcelona in 1992. In 2005, when the IOC voted to eliminate baseball and soccer from the London Olympics, squash and karate��another widely popular non-Olympic sport��were selected as possible replacements.read more >>