该句使用被动语态描述机会流失的原因，并通过because引出原因说明。
Everyone is never satisfied with the status quo, always longing for future happiness; we strive to improve our current situation by overcoming immediate troubles and utilizing the benefits we have gained.
Saying "I love the world" is not something done merely from the comfort of an ivory tower.
Those who truly love you rarely praise you to your face, but in their hearts, they certainly believe you are the best.
Success brings new successes; there is always a path to success.
Many opportunities in life are lost simply because we lack that tiny bit of courage to make the final sprint, handing success over to others.
每个人都不满足于现状，总会向往未来的幸福；并通过解决眼前的烦恼、利用已有的利益，通过把握时间来改善现状。
我们说出“我爱这个世界”，并非仅仅因为身处象牙塔。
真正爱你的人，很少当面夸奖你，但内心一定认为你是最棒的。
成功会带来更多的成功，通向成功的道路就在前方。
人生中许多机会的流失，都是因为我们缺少那一点点勇气，未能完成最后的冲刺，从而将成功拱手相让。