unobtrusive
adjective /ˌʌnəbˈtruːsɪv/
/ˌʌnəbˈtruːsɪv/
(formal, often approving)- not attracting unnecessary attention
不张扬的;不招摇的 - The service at the hotel is efficient and unobtrusive.
那旅馆的服务既有效率,又沉稳低调。
- The service at the hotel is efficient and unobtrusive.