do wait until you are offered a chair before sittingsit uprights look alert and interested at all timesbe a good listener as well as a good communicator
一定要等到别人给你让座后再坐。要坐直,时刻保持警觉和兴趣。做一个好的倾听者和好的沟通者
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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