汽车虽很旧,性能很不错.The car still runs well despite the fact that it is old .
他好像对此事一无所知.It seems that he knows nothing about it .
我丢了那块手表是我妈妈送我的礼物.The watch that I lost was a present from mother.
我们必须采取行动来改善这恶劣的气候.We really have to do something to improve the terrible climate .
谢谢你邀请我参加4月8日的会议.Thank you_for inviting me to attend the meeting of April 8th .