Ren moves into a new apartment this month. The rooms are small but bright and clean. Ren likes the quiet street outside. Ren unpacks boxes all afternoon. By evening, every shelf holds its own books.
伦这个月搬进了一间新公寓。房间不大，但明亮干净。伦喜欢外面安静的街道。伦整个下午都在拆箱子。到了傍晚，每个书架上都摆好了各自的书。
On the first night, Ren hears a strange hum. It comes from somewhere behind the bedroom wall. The hum starts at exactly ten o'clock.
第一天晚上，伦听到一种奇怪的嗡嗡声。它来自卧室墙壁后面的某个地方。嗡嗡声在整整十点钟开始。
Ren sits up and listens carefully. The sound is low and steady. It stops again at eleven o'clock.
伦坐起身，仔细听着。那声音低沉而平稳。到十一点，它又停了。
The next night, the hum returns right on time. Ren cannot sleep and feels a little uneasy. Ren begins to imagine strange, silly things.
第二天晚上，嗡嗡声准时回来了。伦睡不着，心里有点不安。伦开始想象一些奇怪又傻气的事情。
In the morning, Ren asks the building manager. "Do you know about a hum in the walls?" Ren asks.
早上，伦去问楼管。“您知道墙里有嗡嗡声的事吗？”伦问。
The manager laughs and shakes his head no. "That is just the old water heater," he says. "It turns on every night at ten. The heater sits right behind your bedroom wall."
楼管笑着摇了摇头。“那只是旧的热水器。”他说。“它每晚十点开启。热水器就在你卧室的墙后面。”
"That explains it," Ren says, relieved. "I thought something strange lived in there."
“原来是这样。”伦松了口气说。“我还以为里面住着什么奇怪的东西。”
The manager smiles. "The heater is very old. We plan to replace it next year."
楼管笑了。“热水器很旧了。我们打算明年换掉它。”
That night, the hum starts again at ten. This time, Ren smiles instead of worrying. Ren even taps the wall twice, like a greeting. Ren makes tea and reads on the couch. The steady hum feels like a friendly neighbor now.
那天晚上，嗡嗡声在十点又响了起来。这一次，伦微笑着，没有担心。伦甚至像打招呼一样，在墙上轻轻敲了两下。伦泡了茶，坐在沙发上看书。那平稳的嗡嗡声现在听起来像一位友好的邻居。
