Traces
n. 痕迹；遗迹（trace的复数）
✅ 同义词
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
How long will your offer hold good?
一般你们报盘的有效期是多长？
A few hours earlier, someone had told the police that thieves would try to steal the diamonds.
数小时以前，有人向警方报告，说有人企图偷走这些钻石。