短语讲解：

1. The delivery was the world’s first successful shipment by a self-driving truck, according to Otto and Budweiser’s owner, Anheuser-Busch.

according to 根据，按照
例句：He reasoned out the conclusion according to the theory.
他根据这个理论作出了结论。

2. He added that his company is very concerned about safety.

concern about 使（自己）关心…
例句：She showed great concern about you.
她很为你担心。

3. Humans will be used to do limited driving, oversee the loading process and manage trips.

be used to 习惯于，适用于
例句：The salts may be used to make solid-state batteries.
这些金属盐可用来制造固体电池组。