[…[[#Chinese|]]]，正是这些极具挑战性的特征，极大地激发了广大师生积极参与的热情，让众多的OIer沉迷其中，不亦乐乎。
[…[[#Chinese|]]]，正是這些極具挑戰性的特徵，極大地激發了廣大師生積極參與的熱情，讓眾多的OIer沉迷其中，不亦樂乎。
… ， zhèng shì zhè xiē jí jù tiǎo zhàn xìng de tè zhēng ， jí dà dì jī fā le guǎng dà shī shēng jī jí cān yù de rè qíng ， ràng zhòng duō de ＯＩｅｒ chén mí qí zhōng ， bù yì yuè hū ．
[…], and it's these very challenging features that greatly arouse the enthusiasm of many students and teachers alike for participating, and allow participants in informatic olympiads to indulge in their activities.