在干净而宜人的环境里，我们一定会觉得更乐观。
When in clean, attractive surroundings we always feel more optimistic.
在干净而宜人的环境里，我们一定会觉得更乐观。
Therefore, we must first inform people of the dangers of a poor environment.
训练班应该在宜人的环境中进行：场地宽敞，温度适宜，课间休息时有茶点。
The workshop should take place in a hospitable atmosphere with plenty of room, a comfortable temperature and light refreshments during breaks.
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