✅ 同义词
🗣️ 情景例句
That's OK.
没有关系。
Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时，今天我很荣辛地向你们展示它。
Being a mother is not easy.
做一个母亲是不容易的。