There are always safety concerns, and whenever you do anything there tend to be unexpected events.
总有安全方面的顾虑,不论什么时候你做任何事情,都可能出现意想不到的事情。
As with all soft facts there tend to be controversial opinions.
作为与所有软那里事实往往是有争议的观点。
In some themes, there tend to be a lot of those.
在一些主题中,会有很多。
I「ve had Chinese friends warn me against hiring people from certain parts of China because people from there tend to be tricky, and generally not trustworthy.
过去有中国朋友曾提醒我不要聘请来自某些地区的员工,因为那儿的人大都不可靠。
In classes where students agree that 「Our class stays busy and doesn」t waste time」 or that 「in this class, we learn a lot almost every day,」 there tend to be bigger achievement gains.
例如在课堂上学生评价「我们的课堂很紧促,没有浪费时间」或者「在课堂上我们几乎每天都学到了很多」,这样就会有更大收获。