Manually entering all the invoice data into the system was a laborious process.

把所有發票資料手動輸入系統是個費力的過程。

Checking every shipment against the packing list is laborious but absolutely necessary.

逐一核對每批貨物與裝箱單雖然累人，但絕對必要。

Reviewing hundreds of job applications by hand proved more laborious than expected.

人工審閱數百份求職申請，結果比預期還要辛苦。